A346943 - cp's OEIS frontend

A346943 a(n) = a(n-1) + n(n+1)a(n-2) with a(0)=1, a(1)=1.

n	a(n)
0	1
1	1
2	7
3	19
4	159
5	729
6	7407
7	48231
8	581535
9	4922325
10	68891175
11	718638075
12	11465661375
13	142257791025
14	2550046679775
15	36691916525775
16	730304613424575
17	11958031070311725
18	261722208861516375
19	4805774015579971875
20	114729101737416849375
21	2334996696935363855625

[1, 1, 7, 19, 159, 729, 7407, 48231, 581535, 4922325, 68891175, 718638075, 11465661375, 142257791025, 2550046679775, 36691916525775, 730304613424575, 11958031070311725, 261722208861516375, 4805774015579971875, 114729101737416849375, 2334996696935363855625]

cp's OEIS Frontend

A346943 a(n) = a(n-1) + n(n+1)a(n-2) with a(0)=1, a(1)=1.

Table of values

List of values

cp's OEIS Frontend

A346943 a(n) = a(n-1) + n*(n+1)*a(n-2) with a(0)=1, a(1)=1.

Table of values

List of values

A346943 a(n) = a(n-1) + n(n+1)a(n-2) with a(0)=1, a(1)=1.