A140159 - cp's OEIS frontend

A140159 a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^2 if n is even.

n	a(n)
1	1
2	5
3	86
4	102
5	727
6	763
7	3164
8	3228
9	9789
10	9889
11	24530
12	24674
13	53235
14	53431
15	104056
16	104312
17	187833
18	188157
19	318478
20	318878
21	513359
22	513843
23	793684
24	794260
25	1184885
26	1185561
27	1717002
28	1717786
29	2425067
30	2425967
31	3349488
32	3350512
33	4536433

[1, 5, 86, 102, 727, 763, 3164, 3228, 9789, 9889, 24530, 24674, 53235, 53431, 104056, 104312, 187833, 188157, 318478, 318878, 513359, 513843, 793684, 794260, 1184885, 1185561, 1717002, 1717786, 2425067, 2425967, 3349488, 3350512, 4536433]

cp's OEIS Frontend

A140159 a(1)=1, a(n) = a(n-1) + n^4 if n odd, a(n) = a(n-1) + n^2 if n is even.

Table of values

List of values