A376844 - cp's OEIS frontend

A376844 Numbers k such that (k + k')' = k' + k'', where ' denotes the arithmetic derivative A003415.

n	a(n)
1	1
2	2
3	16
4	98
5	108
6	275
7	598
8	729
9	2419
10	3503
11	5324
12	11304
13	12500
14	35937
15	50498
16	51179
17	58339
18	76302
19	84375
20	107830
21	141775
22	209663
23	324480
24	588800
25	618434
26	1090123
27	1532188
28	2190240
29	2615251
30	3175699
31	3294172
32	3974400
33	4159375
34	6795761
35	8403500
36	8831250
37	9765625
38	10342269
39	14784120
40	15714364
41	16056320

[1, 2, 16, 98, 108, 275, 598, 729, 2419, 3503, 5324, 11304, 12500, 35937, 50498, 51179, 58339, 76302, 84375, 107830, 141775, 209663, 324480, 588800, 618434, 1090123, 1532188, 2190240, 2615251, 3175699, 3294172, 3974400, 4159375, 6795761, 8403500, 8831250, 9765625, 10342269, 14784120, 15714364, 16056320]

cp's OEIS Frontend

A376844 Numbers k such that (k + k')' = k' + k'', where ' denotes the arithmetic derivative A003415.

Table of values

List of values