A259989 This sequence and A259988 are base-6 analogs of A007185 and A016090, written in base 6.

4, 44, 344, 5344, 5344, 205344, 4205344, 34205344, 334205344, 3334205344, 3334205344, 403334205344, 403334205344, 403334205344, 400403334205344, 1400403334205344, 41400403334205344, 241400403334205344, 4241400403334205344, 34241400403334205344

Offset: 1

Author

N. J. A. Sloane, Jul 13 2015

Keywords

• nonn
• base

Comments

See Schut (1991) for precise definition.

Ignoring repetitions, the subsequence of A201821 of terms ending in 4. - Eric M. Schmidt, Jul 18 2015

References

• C. P. Schut, Idempotents. Report AM-R9101, Centrum voor Wiskunde en Informatica, Amsterdam, 1991.

Links

• Eric M. Schmidt, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A007185, A016090, A201821, A237583, A259986-A259991.

Programs

Sage

def a(n) : return Integer(crt(0, 1, 2^n, 3^n).str(6)) # Eric M. Schmidt, Jul 18 2015

Extensions

Corrected and extended by Eric M. Schmidt, Jul 18 2015