# A134490 (b-file synthesized from sequence entry) 0 2 1 21 2 233 3 2584 4 28657 5 317811 6 3524578 7 39088169 8 433494437 9 4807526976 10 53316291173 11 591286729879 12 6557470319842 13 72723460248141 14 806515533049393 15 8944394323791464 16 99194853094755497 17 1100087778366101931