# A147531 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 16 6304280 17 0 18 0 19 0 20 0 21 0 22 0 23 0 24 91931532672 25 0 26 0 27 0 28 27817105940480 29 0 30 29533455515648 31 0 32 12583593752692060 33 0 34 361519028967047168 35 0 36 17833197403694489600 37 12590654537544499200