A127221 - cp's OEIS frontend

A127221 a(n) = 2^npentanacci(n) or (2^n)A023424(n-1).

n	a(n)
1	2
2	12
3	56
4	240
5	992
6	3648
7	14464
8	57088
9	224768
10	883712
11	3471360
12	13651968
13	53682176
14	211075072
15	829915136
16	3263102976
17	12830244864
18	50447253504
19	198353354752
20	779904614400
21	3066503888896
22	12057176965120
23	47407572189184
24	186401664532480
25	732912043425792

[2, 12, 56, 240, 992, 3648, 14464, 57088, 224768, 883712, 3471360, 13651968, 53682176, 211075072, 829915136, 3263102976, 12830244864, 50447253504, 198353354752, 779904614400, 3066503888896, 12057176965120, 47407572189184, 186401664532480, 732912043425792]

cp's OEIS Frontend

A127221 a(n) = 2^npentanacci(n) or (2^n)A023424(n-1).

Table of values

List of values

cp's OEIS Frontend

A127221 a(n) = 2^n*pentanacci(n) or (2^n)*A023424(n-1).

Table of values

List of values

A127221 a(n) = 2^npentanacci(n) or (2^n)A023424(n-1).