# A179133 (b-file synthesized from sequence entry) 0 2 1 4 2 5 3 26 4 68 5 89 6 466 7 1220 8 1597 9 8362 10 21892 11 28657 12 150050 13 392836 14 514229 15 2692538 16 7049156 17 9227465 18 48315634 19 126491972 20 165580141 21 866988874 22 2269806340 23 2971215073 24 15557484098 25 40730022148 26 53316291173 27 279167724890