39846domain: NAppears in sequencesCluster series for honeycomb.at n=20A003204Sum of the even parts in all partitions of n into distinct parts.at n=44A116684Number of binary strings of length n with no substrings equal to 0001 0011 or 0101.at n=20A164454G.f.: A(x) = exp( Sum_{n>=1} 6^n * x^n/(n*(1+x^n)) ).at n=6A259276