A352975 - cp's OEIS frontend

A352975 a(n) is the smallest number which can be represented as the sum of n distinct centered n-gonal numbers in exactly n ways, or -1 if no such number exists.

n	a(n)
3	96
4	192
5	330
6	504
7	840
8	1304
9	1872
10	2910
11	3971
12	5340
13	6851
14	8932
15	11700
16	14496
17	18258
18	22410
19	27265
20	32620
21	39606
22	47124
23	55545
24	65448
25	76050
26	87854
27	101925
28	116956
29	134125
30	152340
31	173538
32	195424
33	220473
34	246942
35	276570
36	306756
37	340918
38	377644
39	418821
40	462720

[96, 192, 330, 504, 840, 1304, 1872, 2910, 3971, 5340, 6851, 8932, 11700, 14496, 18258, 22410, 27265, 32620, 39606, 47124, 55545, 65448, 76050, 87854, 101925, 116956, 134125, 152340, 173538, 195424, 220473, 246942, 276570, 306756, 340918, 377644, 418821, 462720]

cp's OEIS Frontend

A352975 a(n) is the smallest number which can be represented as the sum of n distinct centered n-gonal numbers in exactly n ways, or -1 if no such number exists.

Table of values

List of values