51961domain: NAppears in sequencesStrong pseudoprimes to base 69.at n=24A020295Strong pseudoprimes to base 90.at n=16A020316Expansion of 1/((1-x)*(1-2x)*(1-6x)*(1-12x)).at n=4A021214Number of functions of [n] to [n] that simultaneously avoid the patterns 112 and 221.at n=6A093965Primitive numbers in A158235.at n=32A158245