A191008 - cp's OEIS frontend

A191008 a(n) = (n3^(n+1)+((53^(n+1)+(-1)^(n))/4))/4.

n	a(n)
0	1
1	5
2	22
3	86
4	319
5	1139
6	3964
7	13532
8	45517
9	151313
10	498226
11	1627538
12	5281195
13	17039327
14	54705208
15	174877304
16	556916953
17	1767605981
18	5593383310
19	17651846030
20	55570626391
21	174557144075
22	547207226932
23	1712229064916
24	5348509347109
25	16680994498409
26	51949382866474

[1, 5, 22, 86, 319, 1139, 3964, 13532, 45517, 151313, 498226, 1627538, 5281195, 17039327, 54705208, 174877304, 556916953, 1767605981, 5593383310, 17651846030, 55570626391, 174557144075, 547207226932, 1712229064916, 5348509347109, 16680994498409, 51949382866474]

cp's OEIS Frontend

A191008 a(n) = (n3^(n+1)+((53^(n+1)+(-1)^(n))/4))/4.

Table of values

List of values

cp's OEIS Frontend

A191008 a(n) = (n*3^(n+1)+((5*3^(n+1)+(-1)^(n))/4))/4.

Table of values

List of values

A191008 a(n) = (n3^(n+1)+((53^(n+1)+(-1)^(n))/4))/4.