17302880domain: NAppears in sequencesTriangle T, read by rows, where column k of T = column 0 of T^(k+1) for k>0, with column 0 of T = column 0 of T^3 shift right.at n=45A135902Column 0 of triangle A135902; also equals column 2 of triangle A135902 (shift right).at n=9A135903