A355870 - cp's OEIS frontend

A355870 G.f. A(x,y) = Sum_{n>=0} x^n/(1-y)^(2n+1) Sum_{k=0..3n} T(n,k)y^k satisfies: y = Sum_{n=-oo..+oo} (-1)^n * x^(n(n+1)/2) A(x,y)^n.

n	a(n)
0	1
1	0
2	3
3	-3
4	1
5	0
6	9
7	-18
8	21
9	-15
10	6
11	-1
12	0
13	22
14	-56
15	116
16	-182
17	196
18	-140
19	64
20	-17
21	2
22	0
23	51
24	-144
25	496
26	-1329
27	2436
28	-3148
29	2934
30	-1971
31	934
32	-297
33	57
34	-5
35	0
36	108
37	-270
38	1680
39	-7005
40	18846
41	-36302
42	52462
43	-57914
44	49060
45	-31724
46	15412
47	-5455
48	1330
49	-200
50	14
51	0
52	221
53	-381
54	5647
55	-32760
56	116068
57	-298976
58	591690
59	-920249
60	1138052
61	-1125135
62	889253
63	-558740
64	275744
65	-104672
66	29524
67	-5833
68	721
69	-42

[1, 0, 3, -3, 1, 0, 9, -18, 21, -15, 6, -1, 0, 22, -56, 116, -182, 196, -140, 64, -17, 2, 0, 51, -144, 496, -1329, 2436, -3148, 2934, -1971, 934, -297, 57, -5, 0, 108, -270, 1680, -7005, 18846, -36302, 52462, -57914, 49060, -31724, 15412, -5455, 1330, -200, 14, 0, 221, -381, 5647, -32760, 116068, -298976, 591690, -920249, 1138052, -1125135, 889253, -558740, 275744, -104672, 29524, -5833, 721, -42]

cp's OEIS Frontend

A355870 G.f. A(x,y) = Sum_{n>=0} x^n/(1-y)^(2n+1) Sum_{k=0..3n} T(n,k)y^k satisfies: y = Sum_{n=-oo..+oo} (-1)^n * x^(n(n+1)/2) A(x,y)^n.

Table of values

List of values

cp's OEIS Frontend

A355870 G.f. A(x,y) = Sum_{n>=0} x^n/(1-y)^(2*n+1) * Sum_{k=0..3*n} T(n,k)*y^k satisfies: y = Sum_{n=-oo..+oo} (-1)^n * x^(n*(n+1)/2) * A(x,y)^n.

Table of values

List of values

A355870 G.f. A(x,y) = Sum_{n>=0} x^n/(1-y)^(2n+1) Sum_{k=0..3n} T(n,k)y^k satisfies: y = Sum_{n=-oo..+oo} (-1)^n * x^(n(n+1)/2) A(x,y)^n.