A216263 - cp's OEIS frontend

A216263 Expansion of 1 / ((1-2x)(1-4*x+x^2)).

n	a(n)
0	1
1	6
2	27
3	110
4	429
5	1638
6	6187
7	23238
8	87021
9	325358
10	1215435
11	4538430
12	16942381
13	63239286
14	236031147
15	880918070
16	3287706669
17	12270039678
18	45792714187
19	170901341358
20	637813699821
21	2380355555078
22	8883612714795
23	33154103692710
24	123732818833261
25	461777205194766
26	1723376069054667

[1, 6, 27, 110, 429, 1638, 6187, 23238, 87021, 325358, 1215435, 4538430, 16942381, 63239286, 236031147, 880918070, 3287706669, 12270039678, 45792714187, 170901341358, 637813699821, 2380355555078, 8883612714795, 33154103692710, 123732818833261, 461777205194766, 1723376069054667]

cp's OEIS Frontend

A216263 Expansion of 1 / ((1-2x)(1-4*x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A216263 Expansion of 1 / ((1-2*x)*(1-4*x+x^2)).

Table of values

List of values

A216263 Expansion of 1 / ((1-2x)(1-4*x+x^2)).