# A256049 (b-file synthesized from sequence entry) 0 -1 1 16 2 55 3 144 4 330 5 704 6 1397 7 2640 8 4819 9 8480 10 14509 11 24288 12 39765 13 63888 14 101025 15 157344 16 241758 17 366960 18 550682 19 817840 20 1203058 21 1753840 22 2535500 23 3637232 24 5179515 25 7325088 26 10292667 27 14373920 28 19957201 29 27557200 30 37852452