A136047 - cp's OEIS frontend

A136047 a(1)=1, a(n)=a(n-1)+n if n even, a(n)=a(n-1)+n^2 if n is odd.

n	a(n)
1	1
2	3
3	12
4	16
5	41
6	47
7	96
8	104
9	185
10	195
11	316
12	328
13	497
14	511
15	736
16	752
17	1041
18	1059
19	1420
20	1440
21	1881
22	1903
23	2432
24	2456
25	3081
26	3107
27	3836
28	3864
29	4705
30	4735
31	5696
32	5728
33	6817
34	6851
35	8076
36	8112
37	9481
38	9519
39	11040
40	11080
41	12761
42	12803
43	14652
44	14696
45	16721

[1, 3, 12, 16, 41, 47, 96, 104, 185, 195, 316, 328, 497, 511, 736, 752, 1041, 1059, 1420, 1440, 1881, 1903, 2432, 2456, 3081, 3107, 3836, 3864, 4705, 4735, 5696, 5728, 6817, 6851, 8076, 8112, 9481, 9519, 11040, 11080, 12761, 12803, 14652, 14696, 16721]

cp's OEIS Frontend

A136047 a(1)=1, a(n)=a(n-1)+n if n even, a(n)=a(n-1)+n^2 if n is odd.

Table of values

List of values