A360218 - cp's OEIS frontend

A360218 a(n) is the smallest positive integer which can be represented as the sum of n distinct nonzero square pyramidal numbers in exactly n ways, or -1 if no such integer exists.

n	a(n)
1	1
2	5580
3	2814
4	1980
5	1595
6	1700
7	2175
8	2415
9	2830
10	3740
11	4810
12	5995
13	7610
14	9240
15	11380
16	13896
17	16506
18	19735
19	23150
20	27441
21	32085
22	36721
23	42755
24	49570
25	56610
26	65135
27	73165
28	83021
29	93835
30	105671
31	118255
32	132545
33	147546
34	163516
35	182155
36	201040
37	222371
38	244280
39	267856

[1, 5580, 2814, 1980, 1595, 1700, 2175, 2415, 2830, 3740, 4810, 5995, 7610, 9240, 11380, 13896, 16506, 19735, 23150, 27441, 32085, 36721, 42755, 49570, 56610, 65135, 73165, 83021, 93835, 105671, 118255, 132545, 147546, 163516, 182155, 201040, 222371, 244280, 267856]

cp's OEIS Frontend

A360218 a(n) is the smallest positive integer which can be represented as the sum of n distinct nonzero square pyramidal numbers in exactly n ways, or -1 if no such integer exists.

Table of values

List of values