# A158997 (b-file synthesized from sequence entry) 1 2 2 5 3 11 4 404 5 737 6 161 7 575 8 101 9 1001 10 10001 11 1008001 12 1008001 13 100001 14 227218812722 15 1000001 16 10000001 17 3536651551566353 18 100000001 19 1000000001 20 26993605822850639962 21 10000000001 22 100000000001 23 140452633741147336254041 24 1000000000001