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

1,1

Links

Table of n, a(n) for n=1..57.

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;

Crossrefs

Cf. A075657, A076380 - A076387.

Sequence in context: A045608 A068317 A074311 * A006899 A256179 A078830

Adjacent sequences: A076379 A076380 A076381 * A076383 A076384 A076385

Keyword

nonn,base

Author

Floor van Lamoen, Oct 08 2002

Status

approved