A135099 - cp's OEIS frontend

A135099 a(1)=1, a(n) = a(n-1) + n^5 if n odd, a(n) = a(n-1) + n^3 if n is even.

n	a(n)
1	1
2	9
3	252
4	316
5	3441
6	3657
7	20464
8	20976
9	80025
10	81025
11	242076
12	243804
13	615097
14	617841
15	1377216
16	1381312
17	2801169
18	2807001
19	5283100
20	5291100
21	9375201
22	9385849
23	15822192
24	15836016
25	25601641
26	25619217
27	39968124
28	39990076
29	60501225

[1, 9, 252, 316, 3441, 3657, 20464, 20976, 80025, 81025, 242076, 243804, 615097, 617841, 1377216, 1381312, 2801169, 2807001, 5283100, 5291100, 9375201, 9385849, 15822192, 15836016, 25601641, 25619217, 39968124, 39990076, 60501225]

cp's OEIS Frontend

A135099 a(1)=1, a(n) = a(n-1) + n^5 if n odd, a(n) = a(n-1) + n^3 if n is even.

Table of values

List of values