A361649 - cp's OEIS frontend

A361649 a(n) = (1+n)(2a(n-1) - (n-2)*a(n-2)) with a(0) = a(1) = 1.

n	a(n)
0	1
1	1
2	6
3	44
4	380
5	3768
6	42112
7	523072
8	7141248
9	106209920
10	1708188416
11	29525850624
12	545607622144
13	10730032423936
14	223691600732160
15	4926284479250432
16	114255071320260608
17	2783085758131765248
18	71023717127647854592
19	1894699527341113999360
20	52730415074075898937344

[1, 1, 6, 44, 380, 3768, 42112, 523072, 7141248, 106209920, 1708188416, 29525850624, 545607622144, 10730032423936, 223691600732160, 4926284479250432, 114255071320260608, 2783085758131765248, 71023717127647854592, 1894699527341113999360, 52730415074075898937344]

cp's OEIS Frontend

A361649 a(n) = (1+n)(2a(n-1) - (n-2)*a(n-2)) with a(0) = a(1) = 1.

Table of values

List of values

cp's OEIS Frontend

A361649 a(n) = (1+n)*(2*a(n-1) - (n-2)*a(n-2)) with a(0) = a(1) = 1.

Table of values

List of values

A361649 a(n) = (1+n)(2a(n-1) - (n-2)*a(n-2)) with a(0) = a(1) = 1.