A325580 - cp's OEIS frontend

A325580 G.f.: A(x,y) = Sum_{n>=0} x^n * ((1+x)^n + y)^n, where A(0) = 0, as a triangle of coefficients T(n,k) of x^ny^k in A(x,y) = Sum_{n>=0} x^n Sum_{k=0..n} T(n,k)x^ny^k, read by rows.

n	a(n)
0	1
1	1
2	1
3	2
4	2
5	1
6	5
7	7
8	3
9	1
10	16
11	24
12	15
13	4
14	1
15	57
16	98
17	67
18	26
19	5
20	1
21	231
22	430
23	336
24	144
25	40
26	6
27	1
28	1023
29	2062
30	1767
31	861
32	265
33	57
34	7
35	1
36	4926
37	10610
38	9873
39	5300
40	1845
41	440
42	77
43	8
44	1
45	25483
46	58240
47	58221
48	33974
49	13041
50	3501
51	679
52	100
53	9
54	1
55	140601
56	338984
57	360930
58	226716
59	94580
60	27978
61	6083
62	992
63	126
64	10
65	1
66	822422
67	2081189
68	2345469
69	1572134
70	706225
71	226843
72	54271
73	9886
74	1389
75	155
76	11
77	1
78	5074015
79	13423258
80	15926115
81	11318196
82	5428820
83	1876728
84	486941
85	97448
86	15246
87	1880
88	187
89	12
90	1

[1, 1, 1, 2, 2, 1, 5, 7, 3, 1, 16, 24, 15, 4, 1, 57, 98, 67, 26, 5, 1, 231, 430, 336, 144, 40, 6, 1, 1023, 2062, 1767, 861, 265, 57, 7, 1, 4926, 10610, 9873, 5300, 1845, 440, 77, 8, 1, 25483, 58240, 58221, 33974, 13041, 3501, 679, 100, 9, 1, 140601, 338984, 360930, 226716, 94580, 27978, 6083, 992, 126, 10, 1, 822422, 2081189, 2345469, 1572134, 706225, 226843, 54271, 9886, 1389, 155, 11, 1, 5074015, 13423258, 15926115, 11318196, 5428820, 1876728, 486941, 97448, 15246, 1880, 187, 12, 1]

cp's OEIS Frontend

A325580 G.f.: A(x,y) = Sum_{n>=0} x^n * ((1+x)^n + y)^n, where A(0) = 0, as a triangle of coefficients T(n,k) of x^ny^k in A(x,y) = Sum_{n>=0} x^n Sum_{k=0..n} T(n,k)x^ny^k, read by rows.

Table of values

List of values

cp's OEIS Frontend

A325580 G.f.: A(x,y) = Sum_{n>=0} x^n * ((1+x)^n + y)^n, where A(0) = 0, as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y) = Sum_{n>=0} x^n * Sum_{k=0..n} T(n,k)*x^n*y^k, read by rows.

Table of values

List of values

A325580 G.f.: A(x,y) = Sum_{n>=0} x^n * ((1+x)^n + y)^n, where A(0) = 0, as a triangle of coefficients T(n,k) of x^ny^k in A(x,y) = Sum_{n>=0} x^n Sum_{k=0..n} T(n,k)x^ny^k, read by rows.