|
Search: id:A076382
|
|
|
| A076382 |
|
Numbers n such that sum of digits in base 4 is a divisor of sum of prime divisors (A008472). |
|
+0
1
|
|
| 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
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
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 this_sequence A006899 A078830 A026489
Adjacent sequences: A076379 A076380 A076381 this_sequence A076383 A076384 A076385
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Floor van Lamoen (fvlamoen(AT)hotmail.com), Oct 08 2002
|
|
|
Search completed in 0.002 seconds
|
