184207domain: NAppears in sequencesTerms k of A002977 such that both (k-1)/2 and (k-1)/3 are also terms of A002977.at n=32A085249Expansion of (1+2*x)/((1+x)*(1-x^2-x^3)).at n=45A098601Expansion of (1 - x - x^5)/((1 - x - x^5)^2 - 4*x^6).at n=24A375284