# A245307 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 10 4 77 5 771 6 9258 7 127656 8 1969366 9 33422650 10 616779303 11 12272428173 12 261620716744 13 5945330149226 14 143439343672519 15 3661506704040203 16 98597706579694403 17 2793561790527733313 18 83084652845766283317 19 2588418449175558698525 20 84305591450606402889544