# A053519 (b-file synthesized from sequence entry) 0 1 1 3 2 15 3 29 4 597 5 4701 6 4643 7 413691 8 4512993 9 17926611 10 695000919 11 9680369943 12 4380611853 13 2303928046437 14 39031251610227 15 25940523189513 16 1206420504316107 17 20365306128628437 18 1849040492948486661