A140155 - cp's OEIS frontend

A140155 a(1)=1, a(n)=a(n-1)+n^3 if n odd, a(n)=a(n-1)+ n^4 if n is even.

n	a(n)
1	1
2	17
3	44
4	300
5	425
6	1721
7	2064
8	6160
9	6889
10	16889
11	18220
12	38956
13	41153
14	79569
15	82944
16	148480
17	153393
18	258369
19	265228
20	425228
21	434489
22	668745
23	680912
24	1012688
25	1028313
26	1485289
27	1504972
28	2119628
29	2144017
30	2954017
31	2983808
32	4032384

[1, 17, 44, 300, 425, 1721, 2064, 6160, 6889, 16889, 18220, 38956, 41153, 79569, 82944, 148480, 153393, 258369, 265228, 425228, 434489, 668745, 680912, 1012688, 1028313, 1485289, 1504972, 2119628, 2144017, 2954017, 2983808, 4032384]

cp's OEIS Frontend

A140155 a(1)=1, a(n)=a(n-1)+n^3 if n odd, a(n)=a(n-1)+ n^4 if n is even.

Table of values

List of values