# A140431 (b-file synthesized from sequence entry) 0 0 1 2 2 2 3 12 4 22 5 92 6 222 7 772 8 2102 9 6732 10 19342 11 59732 12 175782 13 534172 14 1588862 15 4793892 16 14327062 17 43090412 18 129052782 19 387595252 20 1161911942 21 3487483452 22 10458955102 23 31383855812 24 94137586422 25 282440721292 26 847266239822