A076383 Numbers n such that sum of digits in base 5 is a divisor of sum of prime divisors (A008472).

2, 3, 5, 21, 25, 27, 30, 35, 42, 78, 105, 110, 115, 123, 125, 126, 130, 132, 141, 150, 153, 155, 159, 161, 170, 175, 186, 187, 195, 201, 228, 230, 231, 252, 258, 260, 264, 276, 290, 301, 327, 329, 340, 357, 372, 378, 381, 395, 396, 402, 410, 411, 429, 434

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Maple

A076383 := 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 5); t1 := floor(t1/5); 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, A076381 - A076387.

Sequence in context: A228833 A320950 A291673 * A024766 A058959 A065398

Adjacent sequences: A076380 A076381 A076382 * A076384 A076385 A076386

Keyword

nonn,base

Author

Floor van Lamoen, Oct 08 2002

Status

approved