A262143 - cp's OEIS frontend

A262143 Square array read by antidiagonals upwards: the n-th row o.g.f. is exp( Sum_{i >= 1} c(n,i)*x^i/i ) for n >= 1, where c(n,k) is Shanks' array of generalized Euler and class numbers.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	3
7	1
8	8
9	33
10	23
11	1
12	16
13	208
14	1011
15	371
16	1
17	30
18	768
19	14336
20	65985
21	10515
22	1
23	46
24	2211
25	94208
26	2091520
27	7536099
28	461869
29	1
30	64
31	5043
32	412860
33	24313856
34	535261184
35	1329205857
36	28969177
37	1
38	96
39	9984
40	1361948
41	164276421
42	11025776640
43	211966861312
44	334169853267
45	2454072147

[1, 1, 1, 1, 3, 3, 1, 8, 33, 23, 1, 16, 208, 1011, 371, 1, 30, 768, 14336, 65985, 10515, 1, 46, 2211, 94208, 2091520, 7536099, 461869, 1, 64, 5043, 412860, 24313856, 535261184, 1329205857, 28969177, 1, 96, 9984, 1361948, 164276421, 11025776640, 211966861312, 334169853267, 2454072147]

cp's OEIS Frontend

A262143 Square array read by antidiagonals upwards: the n-th row o.g.f. is exp( Sum_{i >= 1} c(n,i)*x^i/i ) for n >= 1, where c(n,k) is Shanks' array of generalized Euler and class numbers.

Table of values

List of values