# A097421 (b-file synthesized from sequence entry) 0 1 1 3 2 39 3 12207 4 2384185791 5 181898940354585647583 6 2117582368135750847670806251699104905128479 7 573971850987445072250359637315549647372395291392620860111695169081258427468128502368927