# A296730 (b-file synthesized from sequence entry) 0 1 1 -1 2 -31 3 -337 4 24705 5 2451679 6 -17936543 7 -42895630065 8 -5396647099903 9 1239561882325439 10 708575518706816481 11 37448619025871342959 12 -113842057082636742446975 13 -52054011876398495316250977 14 16226448322449614832534708065 15 31975745831751940004484917311439