A140113 - cp's OEIS frontend

A140113 a(1)=1, a(n)=a(n-1)+n if n odd, a(n)=a(n-1)+ n^2 if n is even.

n	a(n)
1	1
2	5
3	8
4	24
5	29
6	65
7	72
8	136
9	145
10	245
11	256
12	400
13	413
14	609
15	624
16	880
17	897
18	1221
19	1240
20	1640
21	1661
22	2145
23	2168
24	2744
25	2769
26	3445
27	3472
28	4256
29	4285
30	5185
31	5216
32	6240
33	6273
34	7429
35	7464
36	8760
37	8797
38	10241
39	10280
40	11880
41	11921
42	13685
43	13728
44	15664
45	15709

[1, 5, 8, 24, 29, 65, 72, 136, 145, 245, 256, 400, 413, 609, 624, 880, 897, 1221, 1240, 1640, 1661, 2145, 2168, 2744, 2769, 3445, 3472, 4256, 4285, 5185, 5216, 6240, 6273, 7429, 7464, 8760, 8797, 10241, 10280, 11880, 11921, 13685, 13728, 15664, 15709]

cp's OEIS Frontend

A140113 a(1)=1, a(n)=a(n-1)+n if n odd, a(n)=a(n-1)+ n^2 if n is even.

Table of values

List of values