# A375991 (b-file synthesized from sequence entry) 0 1 1 -3 2 0 3 9 4 45 5 252 6 1935 7 19989 8 260190 9 4063887 10 73823445 11 1527002694 12 35408499885 13 909389617497 14 25618701424680 15 785355764569749 16 26024092206299505 17 926859918577582332 18 35306305954587340515 19 1432301360556686816529 20 61649353087003554947550