# A091792 (b-file synthesized from sequence entry) 1 1 2 4 3 243 4 17360 5 1350225 6 11047296 7 934771207 8 81013504612 9 7148250406947 10 6395802995689430 11 578667890086186528 12 52834894312217030820 13 48608102767239668354413 14 45007502562258952180012050