61303domain: NAppears in sequencesDiagonal sum of left-justified array T given by A027023.at n=30A027037Floor(sqrt(7*2^n)).at n=29A221943Number of repeating products of any subset of {1, 2, 3, ..., n}.at n=15A255962Expansion of (1/x) * Series_Reversion( x / ((1+x) * (1+x+x^3)^2) ).at n=7A369484