A291231 - cp's OEIS frontend

A291231 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)(1 - 2 S)(1 - 3 S)(1 - 4 S).

n	a(n)
0	10
1	65
2	360
3	1831
4	8830
5	41104
6	186710
7	833401
8	3672840
9	16034303
10	69506930
11	299700192
12	1287010850
13	5509712833
14	23531008200
15	100312445063
16	427025152550
17	1815832379312
18	7714875191470
19	32756357939033
20	139008007848360
21	589672772732671
22	2500620567692890

[10, 65, 360, 1831, 8830, 41104, 186710, 833401, 3672840, 16034303, 69506930, 299700192, 1287010850, 5509712833, 23531008200, 100312445063, 427025152550, 1815832379312, 7714875191470, 32756357939033, 139008007848360, 589672772732671, 2500620567692890]

cp's OEIS Frontend

A291231 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)(1 - 2 S)(1 - 3 S)(1 - 4 S).

Table of values

List of values