# A166940 (b-file synthesized from sequence entry) 1 2 2 7 3 29 4 73 5 169 6 437 7 1343 8 3001 9 29809 10 32581 11 388631 12 418661 13 5830673 14 6216773 15 6601157 16 13968079 17 87787741 18 127494581 19 132902893 20 250430303 21 366225215 22 1749648679 23 3180922571 24 9914589163 25 257145392467 26 266412327067