# A259437 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 37 4 724 5 20209 6 1905630 7 191250531 8 57659285287 9 20931112851787 10 17697850924585423 11 17720783665888137843 12 44421728434157120665320 13 117208746422032553556330253 14 679595843556865572365153402674 15 4907378683411420479410336076467628