A228969 - cp's OEIS frontend

A228969 Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)B(2k)B(2n-2k), where the B() are the even-indexed Bernoulli numbers.

n	a(n)
2	6
3	5
4	25
5	28
6	70
7	588
8	45
9	1050
10	4410
11	3825
12	22
13	165
14	924
15	2805
16	7502
17	91
18	5005
19	63063
20	255255
21	341341
22	124215
23	24
24	1820
25	168168
26	12870
27	2730728
28	496860
29	131064
30	17
31	1700
32	6188
33	413270
34	1657942
35	402220
36	1856740
37	371365

[6, 5, 25, 28, 70, 588, 45, 1050, 4410, 3825, 22, 165, 924, 2805, 7502, 91, 5005, 63063, 255255, 341341, 124215, 24, 1820, 168168, 12870, 2730728, 496860, 131064, 17, 1700, 6188, 413270, 1657942, 402220, 1856740, 371365]

cp's OEIS Frontend

A228969 Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)B(2k)B(2n-2k), where the B() are the even-indexed Bernoulli numbers.

Table of values

List of values

cp's OEIS Frontend

A228969 Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)*B(2k)*B(2n-2k), where the B() are the even-indexed Bernoulli numbers.

Table of values

List of values

A228969 Triangle of numerators of the coefficients t(n,k) in the formula B(2n) = -sum_{k=1..n-1} t(n,k)B(2k)B(2n-2k), where the B() are the even-indexed Bernoulli numbers.