A140146 - cp's OEIS frontend

A140146 a(1)=1, a(n)=a(n-1)+n^1 if n odd, a(n)=a(n-1)+ n^4 if n is even.

n	a(n)
1	1
2	17
3	20
4	276
5	281
6	1577
7	1584
8	5680
9	5689
10	15689
11	15700
12	36436
13	36449
14	74865
15	74880
16	140416
17	140433
18	245409
19	245428
20	405428
21	405449
22	639705
23	639728
24	971504
25	971529
26	1428505
27	1428532
28	2043188
29	2043217
30	2853217
31	2853248
32	3901824
33	3901857

[1, 17, 20, 276, 281, 1577, 1584, 5680, 5689, 15689, 15700, 36436, 36449, 74865, 74880, 140416, 140433, 245409, 245428, 405428, 405449, 639705, 639728, 971504, 971529, 1428505, 1428532, 2043188, 2043217, 2853217, 2853248, 3901824, 3901857]

cp's OEIS Frontend

A140146 a(1)=1, a(n)=a(n-1)+n^1 if n odd, a(n)=a(n-1)+ n^4 if n is even.

Table of values

List of values