# A252501 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 1 4 10 5 10 6 1 7 21 8 63 9 35 10 1 11 36 12 216 13 336 14 126 15 1 16 55 17 550 18 1650 19 1650 20 462 21 1 22 78 23 1170 24 5720 25 10725 26 7722 27 1716 28 1 29 105 30 2205 31 15925 32 47775 33 63063 34 35035 35 6435 36 1 37 136 38 3808 39 38080 40 166600 41 346528 42 346528 43 155584 44 24310