# A381276 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 -26 4 -107 5 136 6 9181 7 53488 8 -427895 9 -10486016 10 -43859879 11 1373548672 12 23512856797 13 -30564574208 14 -6412871847563 15 -73709639926784 16 1060067525174929 17 40587133606543360 18 179320588932698929 19 -14474677657838059520 20 -306563699887974043739 21 2301792469199499132928