Calculating Persons in an Ancestor Chart
This EXCLUDES uncles aunts and siblings, that is it ONLY counts the primary individuals in each generation, the child, Mother Father, etc
Generation Number	Number of persons per Generation	Total Number of persons in a Genealogy tree from now to then
Generation No. 1 (You)	1	1
Generation No. 2	2	3
Generation No. 3	4	7
Generation No. 4	8	15
Generation No. 5	16	31
Generation No. 6	32	63
Generation No. 7	64	127
Generation No. 8	128	255
Generation No. 9	256	511
Generation No. 10	512	1,023
Generation No. 11	1,024	2,047
Generation No. 12	2,048	4,095
Generation No. 13	4,096	8,191
Generation No. 14	8,192	16,383
Generation No. 15	16,384	32,767
Generation No. 16	32,768	65,535
Generation No. 17	65,536	131,071
Generation No. 18	131,072	262,143
Generation No. 19	262,144	524,287
Generation No. 20	524,288	1,048,575
Generation No. 21	1,048,576	2,097,151
Generation No. 22	2,097,152	4,194,303
Generation No. 23	4,194,304	8,388,607
Generation No. 24	8,388,608	16,777,215
Generation No. 25	16,777,216	33,554,431
Generation No. 26	33,554,432	67,108,863
Generation No. 27	67,108,864	134,217,727
Generation No. 28	134,217,728	268,435,455
Generation No. 29	268,435,456	536,870,911
Generation No. 30	536,870,912	1,073,741,823
Generation No. 31	1,073,741,824	2,147,483,647
Generation No. 32	2,147,483,648	4,294,967,295
Generation No. 33	4,294,967,296	8,589,934,591
Generation No. 34	8,589,934,592	17,179,869,183
Generation No. 35	17,179,869,184	34,359,738,367
Generation No. 36	34,359,738,368	68,719,476,735
Generation No. 37	68,719,476,736	137,438,953,471
Generation No. 38	137,438,953,472	274,877,906,943
Generation No. 39	274,877,906,944	549,755,813,887
Generation No. 40	549,755,813,888	1,099,511,627,77