A263687 - cp's OEIS frontend

A263687 b(n) in (sqrt(2))_n = b(n) + c(n)*sqrt(2), where (x)_n is the Pochhammer symbol, b(n) and c(n) are integers.

n	a(n)
0	1
1	0
2	2
3	6
4	26
5	140
6	896
7	6636
8	55804
9	525168
10	5468008
11	62403880
12	774616696
13	10390122288
14	149757486368
15	2308301709840
16	37887797229968
17	659770432834688
18	12148923787132832
19	235858218326093664
20	4814800618608693664
21	103104123746671427520
22	2310978427407268450048

[1, 0, 2, 6, 26, 140, 896, 6636, 55804, 525168, 5468008, 62403880, 774616696, 10390122288, 149757486368, 2308301709840, 37887797229968, 659770432834688, 12148923787132832, 235858218326093664, 4814800618608693664, 103104123746671427520, 2310978427407268450048]

cp's OEIS Frontend

A263687 b(n) in (sqrt(2))_n = b(n) + c(n)*sqrt(2), where (x)_n is the Pochhammer symbol, b(n) and c(n) are integers.

Table of values

List of values