A276334 a(n) = A258199(n) * A276333(n).

0, 1, 2, 3, 4, 4, 4, 4, 8, 8, 8, 8, 12, 12, 12, 12, 16, 16, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 54, 72, 72, 72, 72, 72, 72, 72, 72

Offset

0,3

Comments

a(n) is obtained by first replacing with zeros all other digits except the leftmost (the most significant) in the greedy A001563-base representation of n (A276326), then converting back to decimal. Used to compute A276335.

Links

Antti Karttunen, Table of n, a(n) for n = 0..4320

Formula

a(n) = A258199(n) * A276333(n).

A276335(n) = n - a(n).

Mathematica

Table[# Floor[n/#] &@ (# #!) &@ NestWhile[# + 1 &, 0, # #! <= n &[# + 1] &], {n, 84}] (* Michael De Vlieger, Aug 31 2016 *)

Prog

(Scheme) (define (A276334 n) (* (A258199 n) (A276333 n)))

Crossrefs

Cf. A001563, A258199, A276332, A276333, A276335.

Sequence in context: A087827 A136528 A263252 * A225486 A325282 A305233

Adjacent sequences: A276331 A276332 A276333 * A276335 A276336 A276337

Keyword

nonn,base

Author

Antti Karttunen, Aug 30 2016

Status

approved