A014892 n is equal to the number of 4s in all numbers <= n written in base 6.

42768, 44921, 44922, 44923, 44924, 44925, 46656, 89424, 91577, 91578, 91579, 91580, 91581, 93312, 136080, 138233, 138234, 138235, 138236, 138237, 139968, 182736, 184889, 184890, 184891, 184892, 184893

Offset

1,1

Links

Table of n, a(n) for n=1..27.

Crossrefs

Cf. A014778.

Sequence in context: A254426 A147635 A236032 * A255039 A255032 A256950

Adjacent sequences: A014889 A014890 A014891 * A014893 A014894 A014895

Keyword

nonn,base,fini,full

Author

Olivier Gérard

Extensions

List proved complete by Hugo van der Sanden (cf. A014886).

Status

approved