A370913 - cp's OEIS frontend

A370913 a(n) = Sum_{k=0..n} 4^(n - k)*Pochhammer(k/4, n - k). Row sums of A370915(n - k, k).

n	a(n)
0	1
1	1
2	2
3	8
4	61
5	731
6	11894
7	242986
8	5959037
9	170357861
10	5559592906
11	203873583044
12	8297471638781
13	371083006046887
14	18087291356943566
15	954257615636120726
16	54175808937658443709
17	3293085944438180436161
18	213379242249449228080322
19	14681745401633286267344896

[1, 1, 2, 8, 61, 731, 11894, 242986, 5959037, 170357861, 5559592906, 203873583044, 8297471638781, 371083006046887, 18087291356943566, 954257615636120726, 54175808937658443709, 3293085944438180436161, 213379242249449228080322, 14681745401633286267344896]

cp's OEIS Frontend

A370913 a(n) = Sum_{k=0..n} 4^(n - k)*Pochhammer(k/4, n - k). Row sums of A370915(n - k, k).

Table of values

List of values