# A298937 (b-file synthesized from sequence entry) 0 1 1 1 2 0 3 0 4 0 5 0 6 0 7 7 8 1 9 0 10 0 11 9240 12 34650 13 1716 14 48477 15 551915 16 6726720 17 89973520 18 102639744 19 1824625081 20 9915389400 21 30143458884 22 278196062760 23 1995766236541 24 6611689457736 25 64547920386450 26 236756174748626 27 2315743488707806