A260699 - cp's OEIS frontend

A260699 a(2n+6) = a(2n) + 12n + 20, a(2n+1) = (n+1)(2*n+1), with a(0)=0, a(2)=2, a(4)=9.

n	a(n)
0	0
1	1
2	2
3	6
4	9
5	15
6	20
7	28
8	34
9	45
10	53
11	66
12	76
13	91
14	102
15	120
16	133
17	153
18	168
19	190
20	206
21	231
22	249
23	276
24	296
25	325
26	346
27	378
28	401
29	435
30	460
31	496
32	522
33	561
34	589
35	630
36	660
37	703
38	734
39	780
40	813
41	861
42	896
43	946
44	982
45	1035
46	1073

[0, 1, 2, 6, 9, 15, 20, 28, 34, 45, 53, 66, 76, 91, 102, 120, 133, 153, 168, 190, 206, 231, 249, 276, 296, 325, 346, 378, 401, 435, 460, 496, 522, 561, 589, 630, 660, 703, 734, 780, 813, 861, 896, 946, 982, 1035, 1073]

cp's OEIS Frontend

A260699 a(2n+6) = a(2n) + 12n + 20, a(2n+1) = (n+1)(2*n+1), with a(0)=0, a(2)=2, a(4)=9.

Table of values

List of values

cp's OEIS Frontend

A260699 a(2n+6) = a(2n) + 12*n + 20, a(2n+1) = (n+1)*(2*n+1), with a(0)=0, a(2)=2, a(4)=9.

Table of values

List of values

A260699 a(2n+6) = a(2n) + 12n + 20, a(2n+1) = (n+1)(2*n+1), with a(0)=0, a(2)=2, a(4)=9.