A140150 - cp's OEIS frontend

A140150 a(1)=1, a(n)=a(n-1)+n^2 if n odd, a(n)=a(n-1)+ n^4 if n is even.

n	a(n)
1	1
2	17
3	26
4	282
5	307
6	1603
7	1652
8	5748
9	5829
10	15829
11	15950
12	36686
13	36855
14	75271
15	75496
16	141032
17	141321
18	246297
19	246658
20	406658
21	407099
22	641355
23	641884
24	973660
25	974285
26	1431261
27	1431990
28	2046646
29	2047487
30	2857487
31	2858448
32	3907024
33	3908113

[1, 17, 26, 282, 307, 1603, 1652, 5748, 5829, 15829, 15950, 36686, 36855, 75271, 75496, 141032, 141321, 246297, 246658, 406658, 407099, 641355, 641884, 973660, 974285, 1431261, 1431990, 2046646, 2047487, 2857487, 2858448, 3907024, 3908113]

cp's OEIS Frontend

A140150 a(1)=1, a(n)=a(n-1)+n^2 if n odd, a(n)=a(n-1)+ n^4 if n is even.

Table of values

List of values