A076382 Numbers n such that sum of digits in base 4 is a divisor of sum of prime divisors (A008472).

2, 3, 4, 8, 9, 16, 26, 32, 42, 64, 65, 78, 81, 84, 86, 92, 94, 95, 104, 114, 115, 119, 128, 130, 143, 146, 156, 161, 168, 170, 178, 186, 209, 212, 215, 228, 234, 244, 256, 258, 259, 260, 287, 294, 308, 312, 319, 322, 326, 332, 335, 336, 338, 340, 342, 343, 344

Offset: 1

Author

Floor van Lamoen, Oct 08 2002

Keywords

• nonn
• base

Crossrefs

Cf. A075657, A076380 - A076387.

Programs

Maple

A076382 := proc(n) local i,j,t,t1, sod, sopd; t := NULL; for i from 2 to n do t1 := i; sod := 0; while t1 <> 0 do sod := sod + (t1 mod 4); t1 := floor(t1/4); od; sopd := 0; j := 1; while ithprime(j) <= i do if i mod ithprime(j) = 0 then sopd := sopd+ithprime(j); fi; j := j+1; od; if sopd mod sod = 0 then t := t,i; fi; od; t; end;