# A094594 (b-file synthesized from sequence entry) 1 0 2 1 3 9 4 144 5 4140 6 214200 7 20264832 8 3580049088 9 1202974894656 10 779257681804800 11 982078160760512640 12 2423077679970846226944 13 11755368773275419420291072 14 112487517660848696830655493120