A172400 - cp's OEIS frontend

A172400 G.f.: 1/(1-x) = (1-xy) Sum_{k>=0} Sum_{n>=k} T(n,k)x^ny^k/(1+x)^(2^n-2^k).

n	a(n)
0	1
1	1
2	1
3	2
4	1
5	1
6	6
7	3
8	1
9	1
10	32
11	16
12	5
13	1
14	1
15	332
16	166
17	51
18	9
19	1
20	1
21	6928
22	3464
23	1059
24	181
25	17
26	1
27	1
28	292334
29	146167
30	44620
31	7557
32	681
33	33
34	1
35	1
36	24875760
37	12437880
38	3795202
39	641035
40	57097
41	2641
42	65
43	1
44	1
45	4254812880
46	2127406440
47	649054326
48	109540639

[1, 1, 1, 2, 1, 1, 6, 3, 1, 1, 32, 16, 5, 1, 1, 332, 166, 51, 9, 1, 1, 6928, 3464, 1059, 181, 17, 1, 1, 292334, 146167, 44620, 7557, 681, 33, 1, 1, 24875760, 12437880, 3795202, 641035, 57097, 2641, 65, 1, 1, 4254812880, 2127406440, 649054326, 109540639]

cp's OEIS Frontend

A172400 G.f.: 1/(1-x) = (1-xy) Sum_{k>=0} Sum_{n>=k} T(n,k)x^ny^k/(1+x)^(2^n-2^k).

Table of values

List of values

cp's OEIS Frontend

A172400 G.f.: 1/(1-x) = (1-x*y) * Sum_{k>=0} Sum_{n>=k} T(n,k)*x^n*y^k/(1+x)^(2^n-2^k).

Table of values

List of values

A172400 G.f.: 1/(1-x) = (1-xy) Sum_{k>=0} Sum_{n>=k} T(n,k)x^ny^k/(1+x)^(2^n-2^k).