# A009630 (b-file synthesized from sequence entry) 0 1 1 4 2 16 3 -104 4 -5504 5 -69376 6 5144192 7 431779328 8 3270959104 9 -2994808352768 10 -327470564016128 11 13424788329791488 12 9902586724481662976 13 1141033124277100085248 14 -243917918992354704359424