This sequence and A259986 are base 6 analogs of A007185 and A016090, written in base 10.

A259987

This sequence and A259986 are base 6 analogs of A007185 and A016090, written in base 10.

Terms

    a(0) =4a(1) =28a(2) =136a(3) =1216a(4) =1216a(5) =16768a(6) =203392a(7) =1043200a(8) =6082048a(9) =36315136a(10) =36315136a(11) =1487503360a(12) =1487503360a(13) =1487503360a(14) =314944159744a(15) =785129144320

External references