A110351 - cp's OEIS frontend

A110351 Least sum (n+1) + (n+2) + ... + (n+k) that is a multiple of the n-th triangular number, n(n+1)/2.

n	a(n)
1	2
2	3
3	30
4	110
5	30
6	84
7	1148
8	1980
9	585
10	935
11	462
12	702
13	2912
14	105
15	3120
16	32504
17	9027
18	11457
19	2660
20	420
21	2772
22	26312
23	16560
24	19800
25	44525
26	52299
27	17388
28	20300
29	10005
30	11625
31	460784
32	61248
33	11220
34	2975
35	24570
36	43290
37	220742
38	29640
39	4680
40	188600

[2, 3, 30, 110, 30, 84, 1148, 1980, 585, 935, 462, 702, 2912, 105, 3120, 32504, 9027, 11457, 2660, 420, 2772, 26312, 16560, 19800, 44525, 52299, 17388, 20300, 10005, 11625, 460784, 61248, 11220, 2975, 24570, 43290, 220742, 29640, 4680, 188600]

cp's OEIS Frontend

A110351 Least sum (n+1) + (n+2) + ... + (n+k) that is a multiple of the n-th triangular number, n(n+1)/2.

Table of values

List of values