# A045650 (b-file synthesized from sequence entry) 1 3 2 9 3 23 4 58 5 153 6 409 7 1103 8 2988 9 8112 10 22036 11 59885 12 162766 13 442426 14 1202618 15 3269032 16 8886126 17 24154969 18 65659987 19 178482319 20 485165215 21 1318815755 22 3584912868 23 9744803469 24 26489122153 25 72004899362 26 195729609454