# A006898 (b-file synthesized from sequence entry) 0 1 1 3 2 13 3 95 4 1337 5 38619 6 2310533 7 283841911 8 70927591153 9 35812691480115 10 36383765777442685 11 74185239630793429775 12 303119284294591169426729 13 2479814853198140771706795531 14 40599509058360322571947638063605