111049domain: NPropertiesPrimalityPrimeyesAppears in sequencesa(1)=1, a(n) = n*12^(n-1) + a(n-1).at n=4A0149271+2n+3n^2+4n^3+5n^4.at n=12A056579Primes of the form 1 + 2*k + 3*k^2 + 4*k^3 + 5*k^4.at n=2A123099Primes using all the square digits {0, 1, 4, 9} and no others.at n=30A331346Prime numbersat n=10540