A067273 - cp's OEIS frontend

A067273 a(n) = n(a(n-1)2+1), a(0) = 0.

n	a(n)
0	0
1	1
2	6
3	39
4	316
5	3165
6	37986
7	531811
8	8508984
9	153161721
10	3063234430
11	67391157471
12	1617387779316
13	42052082262229
14	1177458303342426
15	35323749100272795
16	1130359971208729456
17	38432239021096801521
18	1383560604759484854774
19	52575302980860424481431
20	2103012119234416979257260
21	88326509007845513128804941

[0, 1, 6, 39, 316, 3165, 37986, 531811, 8508984, 153161721, 3063234430, 67391157471, 1617387779316, 42052082262229, 1177458303342426, 35323749100272795, 1130359971208729456, 38432239021096801521, 1383560604759484854774, 52575302980860424481431, 2103012119234416979257260, 88326509007845513128804941]

cp's OEIS Frontend

A067273 a(n) = n(a(n-1)2+1), a(0) = 0.

Table of values

List of values

cp's OEIS Frontend

A067273 a(n) = n*(a(n-1)*2+1), a(0) = 0.

Table of values

List of values

A067273 a(n) = n(a(n-1)2+1), a(0) = 0.