# A164970 (b-file synthesized from sequence entry) 0 1 1 28 2 756 3 20412 4 551124 5 14880348 6 401769396 7 10847773692 8 292889889306 9 7908027001056 10 213516728753328 11 5764951668909888 12 155653694859957840 13 4202649755802415008 14 113471543260421145072 15 3063731664082781293056