# A145685 (b-file synthesized from sequence entry) 0 1 1 0 2 0 3 0 4 0 5 56896 6 12886944 7 2935906752 8 320496430380 9 18071400219840 10 552526728803616 11 9491105395362624 12 94116098389459776 13 549827720843995776 14 1920594821540759296 15 4051982879111857664