# A038249 (b-file synthesized from sequence entry) 0 1 1 2 2 9 3 19 4 75 5 160 6 622 7 1329 8 5157 9 11021 10 42756 11 91376 12 354484 13 757588 14 2938977 15 6281058 16 24366645 17 52075371 18 202020427 19 431749580 20 1674922950 21 3579575053 22 13886550633 23 29677753369 24 115131438424 25 246054079584 26 954538564968