# A174471 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 32 4 4138 5 7371 6 362821209 7 363768114 8 4399869984980 9 4692111613957 10 100023774005024513 11 100145112875103405 12 137370551968043406735177291498 13 137370551970759432867153686743 14 687082347540023318264721577813