# A081731 (b-file synthesized from sequence entry) 1 1 2 23 3 841 4 45023 5 3321841 6 323146823 7 40078005241 8 6172529945423 9 1155774491891041 10 258569396539480823 11 68116719340312179241 12 20870735447824438473023 13 7358996769608563523829841