A290727 - cp's OEIS frontend

A290727 Analog of A085635, replacing "quadratic residue" (X^2) with "value of X^2+X".

n	a(n)
1	1
2	2
3	6
4	10
5	14
6	18
7	30
8	42
9	66
10	70
11	90
12	126
13	198
14	210
15	330
16	390
17	450
18	630
19	990
20	1170
21	1386
22	1638
23	2142
24	2310
25	2730
26	3150
27	4950
28	5850
29	6930
30	8190
31	10710
32	11970
33	12870
34	16830
35	18018
36	23562
37	26334
38	27846
39	30030
40	34650

[1, 2, 6, 10, 14, 18, 30, 42, 66, 70, 90, 126, 198, 210, 330, 390, 450, 630, 990, 1170, 1386, 1638, 2142, 2310, 2730, 3150, 4950, 5850, 6930, 8190, 10710, 11970, 12870, 16830, 18018, 23562, 26334, 27846, 30030, 34650]

cp's OEIS Frontend

A290727 Analog of A085635, replacing "quadratic residue" (X^2) with "value of X^2+X".

Table of values

List of values