A280294 - cp's OEIS frontend

A280294 a(n) = a(n-1) + 2^n * a(n-2) with a(0) = 1 and a(1) = 1.

n	a(n)
0	1
1	1
2	5
3	13
4	93
5	509
6	6461
7	71613
8	1725629
9	38391485
10	1805435581
11	80431196861
12	7475495336637
13	666367860021949
14	123144883455482557
15	21958686920654707389
16	8092381769059159562941
17	2886261393833112966453949
18	2124255587862077437434059453

[1, 1, 5, 13, 93, 509, 6461, 71613, 1725629, 38391485, 1805435581, 80431196861, 7475495336637, 666367860021949, 123144883455482557, 21958686920654707389, 8092381769059159562941, 2886261393833112966453949, 2124255587862077437434059453]

cp's OEIS Frontend

A280294 a(n) = a(n-1) + 2^n * a(n-2) with a(0) = 1 and a(1) = 1.

Table of values

List of values