A206307 - cp's OEIS frontend

A206307 a(n) = ((2n+2)(2n+3) - 1)a(n-1) + 2n(2n+1)a(n-2), a(0)=0, a(1)=6.

n	a(n)
0	0
1	6
2	246
3	17718
4	1948974
5	304039950
6	63848389494
7	17366761942374
8	5939432584291902
9	2494561685402598846
10	1262248212813715016070
11	757348927688229009642006
12	531658947237136764768688206
13	431707065156555052992174823278

[0, 6, 246, 17718, 1948974, 304039950, 63848389494, 17366761942374, 5939432584291902, 2494561685402598846, 1262248212813715016070, 757348927688229009642006, 531658947237136764768688206, 431707065156555052992174823278]

cp's OEIS Frontend

A206307 a(n) = ((2n+2)(2n+3) - 1)a(n-1) + 2n(2n+1)a(n-2), a(0)=0, a(1)=6.

Table of values

List of values

cp's OEIS Frontend

A206307 a(n) = ((2*n+2)*(2*n+3) - 1)*a(n-1) + 2*n*(2*n+1)*a(n-2), a(0)=0, a(1)=6.

Table of values

List of values

A206307 a(n) = ((2n+2)(2n+3) - 1)a(n-1) + 2n(2n+1)a(n-2), a(0)=0, a(1)=6.