# A023112 (b-file synthesized from sequence entry) 1 0 2 144 3 207936 4 299843856 5 432374632704 6 623483920515600 7 899063381008862784 8 1296448771930859619216 9 1869478230060918562046976 10 2695786311299072635612120464 11 3887321991415032679634115662400