A211201 - cp's OEIS frontend

A211201 Smallest m such that (sum of binary digits of m*(m+1)/2) = n.

n	a(n)
0	0
1	1
2	2
3	6
4	5
5	10
6	19
7	22
8	37
9	77
10	108
11	165
12	90
13	313
14	461
15	620
16	1252
17	1957
18	2610
19	3237
20	5654
21	7797
22	9818
23	15797
24	22245
25	34725
26	56723
27	92634
28	122330
29	178540
30	226838
31	507571
32	454045
33	490426
34	1480005
35	2284378
36	1482842
37	2965594
38	5931098
39	10218573
40	11096982
41	21793257
42	31317157

[0, 1, 2, 6, 5, 10, 19, 22, 37, 77, 108, 165, 90, 313, 461, 620, 1252, 1957, 2610, 3237, 5654, 7797, 9818, 15797, 22245, 34725, 56723, 92634, 122330, 178540, 226838, 507571, 454045, 490426, 1480005, 2284378, 1482842, 2965594, 5931098, 10218573, 11096982, 21793257, 31317157]

cp's OEIS Frontend

A211201 Smallest m such that (sum of binary digits of m*(m+1)/2) = n.

Table of values

List of values