-360799domain: ZAppears in sequencesTriangle T(n, k, q) = (1-q^n)*( binomial(n, k) - 1 ) + 1, with q = 3, read by rows.at n=39A174719Triangle T(n, k, q) = (1-q^n)*( binomial(n, k) - 1 ) + 1, with q = 3, read by rows.at n=41A174719Expansion of (1/x) * Series_Reversion( x/(x+1/(1+x^4)) ).at n=22A370838