A370494 - cp's OEIS frontend

A370494 Oblong numbers of the form (k-1)*k where k is the product of an odd number of distinct primes.

n	a(n)
1	2
2	6
3	20
4	42
5	110
6	156
7	272
8	342
9	506
10	812
11	870
12	930
13	1332
14	1640
15	1722
16	1806
17	2162
18	2756
19	3422
20	3660
21	4290
22	4422
23	4830
24	4970
25	5256
26	6006
27	6162
28	6806
29	7832
30	9312
31	10100
32	10302
33	10506
34	10920
35	11342
36	11772
37	11990
38	12656
39	12882
40	16002
41	16770
42	17030
43	18632
44	18906
45	19182

[2, 6, 20, 42, 110, 156, 272, 342, 506, 812, 870, 930, 1332, 1640, 1722, 1806, 2162, 2756, 3422, 3660, 4290, 4422, 4830, 4970, 5256, 6006, 6162, 6806, 7832, 9312, 10100, 10302, 10506, 10920, 11342, 11772, 11990, 12656, 12882, 16002, 16770, 17030, 18632, 18906, 19182]

cp's OEIS Frontend

A370494 Oblong numbers of the form (k-1)*k where k is the product of an odd number of distinct primes.

Table of values

List of values