A350397 - cp's OEIS frontend

A350397 a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal pyramidal numbers in exactly n ways, or -1 if no such number exists.

n	a(n)
3	305
4	1980
5	1900
6	3321
7	5256
8	8310
9	12516
10	17108
11	24832
12	34249
13	42381
14	61697
15	78766
16	106956
17	132994
18	170325
19	203415
20	266595
21	322943
22	393828
23	475520
24	569416
25	695799
26	823447
27	958300
28	1149125
29	1313545
30	1565055
31	1802736
32	2088119
33	2376250
34	2748270
35	3135195
36	3548876

[305, 1980, 1900, 3321, 5256, 8310, 12516, 17108, 24832, 34249, 42381, 61697, 78766, 106956, 132994, 170325, 203415, 266595, 322943, 393828, 475520, 569416, 695799, 823447, 958300, 1149125, 1313545, 1565055, 1802736, 2088119, 2376250, 2748270, 3135195, 3548876]

cp's OEIS Frontend

A350397 a(n) is the smallest number which can be represented as the sum of n distinct nonzero n-gonal pyramidal numbers in exactly n ways, or -1 if no such number exists.

Table of values

List of values