A099469 Least common multiple of n and its digit sum.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 22, 12, 52, 70, 30, 112, 136, 18, 190, 20, 21, 44, 115, 24, 175, 104, 27, 140, 319, 30, 124, 160, 66, 238, 280, 36, 370, 418, 156, 40, 205, 42, 301, 88, 45, 230, 517, 48, 637, 50, 102, 364, 424, 54, 110, 616, 228, 754, 826, 60, 427, 248, 63

Offset

1,2

Comments

a(n)=n for Niven (or Harshad) numbers (A005349). - Robert G. Wilson v, Nov 20 2004

Links

Table of n, a(n) for n=1..63.

Mathematica

f[n_] := LCM[n, Plus @@ IntegerDigits[n]]; Table[ f[n], {n, 63}] (* Robert G. Wilson v, Nov 20 2004 *)

Crossrefs

Sequence in context: A274842 A134817 A067581 * A358097 A039112 A160015

Adjacent sequences: A099466 A099467 A099468 * A099470 A099471 A099472

Keyword

base,easy,nonn

Author

Gaetan Polard (gaetan27(AT)hotmail.com), Nov 18 2004

Extensions

More terms from Robert G. Wilson v, Nov 20 2004

Status

approved