# A035866 (b-file synthesized from sequence entry) 0 1 1 1640 2 673220 3 123273880 4 12774087510 5 854286594072 6 40098332182820 7 1400550765961960 8 38011151426301640 9 828828255977397080 10 14911158035799862332 11 226193352868905599400 12 2945866488164585776650