# A360152 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 21 4 73 5 262 6 960 7 3562 8 13347 9 50393 10 191406 11 730555 12 2799622 13 10765092 14 41513751 15 160490906 16 621805286 17 2413738744 18 9385635299 19 36550685683 20 142534105563 21 556514122937 22 2175296066129 23 8511430278018 24 33334299581686 25 130662787246407