A075565 - cp's OEIS frontend

A075565 Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2), where sopf(x) = sum of the distinct prime factors of x.

n	a(n)
1	5
2	23
3	58
4	901
5	1552
6	1921
7	4195
8	6280
9	10858
10	19649
11	20385
12	32017
13	63657
14	65704
15	83272
16	84120
17	86242
18	105571
19	145238
20	181845
21	271329
22	271742
23	316711
24	322954
25	331977
26	345186
27	379660
28	381431
29	409916
30	424504
31	490256
32	524477
33	542566
34	550272
35	561661
36	565217
37	566560

[5, 23, 58, 901, 1552, 1921, 4195, 6280, 10858, 19649, 20385, 32017, 63657, 65704, 83272, 84120, 86242, 105571, 145238, 181845, 271329, 271742, 316711, 322954, 331977, 345186, 379660, 381431, 409916, 424504, 490256, 524477, 542566, 550272, 561661, 565217, 566560]

cp's OEIS Frontend

A075565 Numbers n such that sopf(n) = sopf(n-1) + sopf(n-2), where sopf(x) = sum of the distinct prime factors of x.

Table of values

List of values