A337553 - cp's OEIS frontend

A337553 a(0) = 1; a(n) = Sum_{k=1..n} binomial(n,k) * (4k-3) a(n-k).

n	a(n)
0	1
1	1
2	7
3	45
4	439
5	5157
6	73455
7	1217101
8	23066311
9	491680437
10	11645898655
11	303422639517
12	8624098330359
13	265546702327813
14	8805478883825359
15	312844282877905389
16	11855836533424581415
17	477380986427269453653
18	20352680600044759742463
19	915923521948522369041469

[1, 1, 7, 45, 439, 5157, 73455, 1217101, 23066311, 491680437, 11645898655, 303422639517, 8624098330359, 265546702327813, 8805478883825359, 312844282877905389, 11855836533424581415, 477380986427269453653, 20352680600044759742463, 915923521948522369041469]

cp's OEIS Frontend

A337553 a(0) = 1; a(n) = Sum_{k=1..n} binomial(n,k) * (4k-3) a(n-k).

Table of values

List of values

cp's OEIS Frontend

A337553 a(0) = 1; a(n) = Sum_{k=1..n} binomial(n,k) * (4*k-3) * a(n-k).

Table of values

List of values

A337553 a(0) = 1; a(n) = Sum_{k=1..n} binomial(n,k) * (4k-3) a(n-k).