# A257200 (b-file synthesized from sequence entry) 1 1 2 6 3 22 4 63 5 154 6 336 7 672 8 1254 9 2211 10 3718 11 6006 12 9373 13 14196 14 20944 15 30192 16 42636 17 59109 18 80598 19 108262 20 143451 21 187726 22 242880 23 310960 24 394290 25 495495 26 617526 27 763686 28 937657 29 1143528 30 1385824 31 1669536 32 2000152 33 2383689 34 2826726 35 3336438 36 3920631 37 4587778 38 5347056 39 6208384 40 7182462