A269459 - cp's OEIS frontend

A269459 Numbers that are equal to the sum of the number of divisors of their first k arithmetic derivatives, for some k.

n	a(n)
1	15
2	16
3	45
4	60
5	69
6	75
7	112
8	116
9	236
10	296
11	319
12	452
13	576
14	586
15	843
16	1047
17	1184
18	1704
19	1902
20	2852
21	2966
22	3068
23	3122
24	4708
25	4805
26	5684
27	6150
28	6712
29	7126
30	10920
31	10950
32	13107
33	16700
34	18698
35	27828
36	29309
37	31142
38	31448
39	31764
40	43152
41	48584
42	51609
43	53822
44	62472
45	63008

[15, 16, 45, 60, 69, 75, 112, 116, 236, 296, 319, 452, 576, 586, 843, 1047, 1184, 1704, 1902, 2852, 2966, 3068, 3122, 4708, 4805, 5684, 6150, 6712, 7126, 10920, 10950, 13107, 16700, 18698, 27828, 29309, 31142, 31448, 31764, 43152, 48584, 51609, 53822, 62472, 63008]

cp's OEIS Frontend

A269459 Numbers that are equal to the sum of the number of divisors of their first k arithmetic derivatives, for some k.

Table of values

List of values