A080714 - cp's OEIS frontend

A080714 a(n) is taken to be the (n-th)-smallest positive integer greater than a(n-1) that is consistent with the condition "n is a member of the sequence if and only if a(n) is odd.".

n	a(n)
1	1
2	6
3	12
4	20
5	30
6	41
7	54
8	70
9	88
10	108
11	130
12	153
13	178
14	206
15	236
16	268
17	302
18	338
19	376
20	415
21	456
22	500
23	546
24	594
25	644
26	696
27	750
28	806
29	864
30	923
31	984
32	1048
33	1114
34	1182
35	1252
36	1324
37	1398
38	1474
39	1552
40	1632
41	1713
42	1796
43	1882
44	1970
45	2060
46	2152
47	2246
48	2342
49	2440
50	2540

[1, 6, 12, 20, 30, 41, 54, 70, 88, 108, 130, 153, 178, 206, 236, 268, 302, 338, 376, 415, 456, 500, 546, 594, 644, 696, 750, 806, 864, 923, 984, 1048, 1114, 1182, 1252, 1324, 1398, 1474, 1552, 1632, 1713, 1796, 1882, 1970, 2060, 2152, 2246, 2342, 2440, 2540]

cp's OEIS Frontend

A080714 a(n) is taken to be the (n-th)-smallest positive integer greater than a(n-1) that is consistent with the condition "n is a member of the sequence if and only if a(n) is odd.".

Table of values

List of values