A374273 - cp's OEIS frontend

A374273 a(n) is the smallest number which can be represented as the sum of three distinct nonzero n-gonal numbers in exactly n ways, or -1 if no such number exists.

n	a(n)
3	37
4	161
5	498
6	1666
7	2546
8	7434
9	16609
10	25952
11	48786
12	49861
13	72347
14	127335
15	183289
16	196469
17	416913
18	466546
19	494369
20	506649
21	801010
22	1401011
23	2372586
24	1414009
25	2003027
26	3274986
27	2927260
28	2721677
29	5592756
30	8016592
31	6632759
32	7057914
33	8401837
34	13248146
35	11648679
36	8650006

[37, 161, 498, 1666, 2546, 7434, 16609, 25952, 48786, 49861, 72347, 127335, 183289, 196469, 416913, 466546, 494369, 506649, 801010, 1401011, 2372586, 1414009, 2003027, 3274986, 2927260, 2721677, 5592756, 8016592, 6632759, 7057914, 8401837, 13248146, 11648679, 8650006]

cp's OEIS Frontend

A374273 a(n) is the smallest number which can be represented as the sum of three distinct nonzero n-gonal numbers in exactly n ways, or -1 if no such number exists.

Table of values

List of values