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

Author

Antti Karttunen, Aug 30 2016

Keywords

• nonn
• base

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

Crossrefs

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

Programs

Mathematica

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

Scheme

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

Formula

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

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