A338871 - cp's OEIS frontend

A338871 Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)u^kx^n/n! = exp(Sum_{n>0} usigma(n)x^n/n!).

n	a(n)
1	1
2	3
3	1
4	4
5	9
6	1
7	7
8	43
9	18
10	1
11	6
12	155
13	175
14	30
15	1
16	12
17	511
18	1230
19	485
20	45
21	1
22	8
23	1442
24	7231
25	5600
26	1085
27	63
28	1
29	15
30	4131
31	37870
32	52381
33	18550
34	2114
35	84
36	1
37	13
38	10323
39	181063
40	426006
41	253281
42	50022
43	3738
44	108
45	1
46	18
47	28171
48	818760
49	3128245
50	2956065
51	937587
52	116760
53	6150
54	135
55	1

[1, 3, 1, 4, 9, 1, 7, 43, 18, 1, 6, 155, 175, 30, 1, 12, 511, 1230, 485, 45, 1, 8, 1442, 7231, 5600, 1085, 63, 1, 15, 4131, 37870, 52381, 18550, 2114, 84, 1, 13, 10323, 181063, 426006, 253281, 50022, 3738, 108, 1, 18, 28171, 818760, 3128245, 2956065, 937587, 116760, 6150, 135, 1]

cp's OEIS Frontend

A338871 Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)u^kx^n/n! = exp(Sum_{n>0} usigma(n)x^n/n!).

Table of values

List of values

cp's OEIS Frontend

A338871 Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)*u^k*x^n/n! = exp(Sum_{n>0} u*sigma(n)*x^n/n!).

Table of values

List of values

A338871 Triangle T(n,k) defined by Sum_{k=1..n} T(n,k)u^kx^n/n! = exp(Sum_{n>0} usigma(n)x^n/n!).