A336170 - cp's OEIS frontend

A336170 a(n) = Sum_{k=0..n} (-1)^(n-k) * (n+3k)!/((n-k)! k!^4).

n	a(n)
0	1
1	23
2	2401
3	347279
4	58370761
5	10693893503
6	2071837562929
7	417449585719343
8	86587926575712937
9	18366152017597820303
10	3965385492963153556441
11	868598410928920193676023
12	192552082030654661729957401
13	43117650276328970463683450639
14	9738695910884616220689842598481

[1, 23, 2401, 347279, 58370761, 10693893503, 2071837562929, 417449585719343, 86587926575712937, 18366152017597820303, 3965385492963153556441, 868598410928920193676023, 192552082030654661729957401, 43117650276328970463683450639, 9738695910884616220689842598481]

cp's OEIS Frontend

A336170 a(n) = Sum_{k=0..n} (-1)^(n-k) * (n+3k)!/((n-k)! k!^4).

Table of values

List of values

cp's OEIS Frontend

A336170 a(n) = Sum_{k=0..n} (-1)^(n-k) * (n+3*k)!/((n-k)! * k!^4).

Table of values

List of values

A336170 a(n) = Sum_{k=0..n} (-1)^(n-k) * (n+3k)!/((n-k)! k!^4).