A370144 - cp's OEIS frontend

A370144 Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + 4A(x)) = 1 + 5Sum_{n>=1} x^(n*(n+1)/2).

n	a(n)
1	1
2	-5
3	25
4	-125
5	620
6	-3055
7	14935
8	-72320
9	346120
10	-1632435
11	7555615
12	-34103940
13	148616480
14	-614229500
15	2321723005
16	-7293541865
17	11847720800
18	80050256480
19	-1182000043580
20	10263664188460
21	-75379977023875
22	508865668922995
23	-3262422374486260
24	20187692749822600
25	-121673379897635840

[1, -5, 25, -125, 620, -3055, 14935, -72320, 346120, -1632435, 7555615, -34103940, 148616480, -614229500, 2321723005, -7293541865, 11847720800, 80050256480, -1182000043580, 10263664188460, -75379977023875, 508865668922995, -3262422374486260, 20187692749822600, -121673379897635840]

cp's OEIS Frontend

A370144 Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + 4A(x)) = 1 + 5Sum_{n>=1} x^(n*(n+1)/2).

Table of values

List of values

cp's OEIS Frontend

A370144 Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + 4*A(x)) = 1 + 5*Sum_{n>=1} x^(n*(n+1)/2).

Table of values

List of values

A370144 Expansion of g.f. A(x) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + 4A(x)) = 1 + 5Sum_{n>=1} x^(n*(n+1)/2).