A064678 - cp's OEIS frontend

A064678 Numbers k such that sopf(k) = sopfr(k+1), where sopf(k) = A008472(k) and sopfr(k) = A001414(k).

n	a(n)
1	5
2	15
3	77
4	99
5	104
6	153
7	369
8	492
9	539
10	714
11	1330
12	2491
13	4191
14	5405
15	5831
16	5959
17	6556
18	6579
19	6723
20	8463
21	9424
22	12221
23	12351
24	12726
25	13419
26	14587
27	21716
28	24432
29	24880
30	24895
31	26642
32	30267
33	31487
34	33019
35	35456
36	38324
37	43215
38	43802
39	44831
40	45524

[5, 15, 77, 99, 104, 153, 369, 492, 539, 714, 1330, 2491, 4191, 5405, 5831, 5959, 6556, 6579, 6723, 8463, 9424, 12221, 12351, 12726, 13419, 14587, 21716, 24432, 24880, 24895, 26642, 30267, 31487, 33019, 35456, 38324, 43215, 43802, 44831, 45524]

cp's OEIS Frontend

A064678 Numbers k such that sopf(k) = sopfr(k+1), where sopf(k) = A008472(k) and sopfr(k) = A001414(k).

Table of values

List of values