# A260374 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 2 4 1 5 1 6 9 7 1 8 81 9 476 10 225 11 324 12 4604 13 74879 14 176400 15 215296 16 3444736 17 11551671 18 45680444 19 255004929 20 1158920361 21 2657058876 22 24923993276 23 130518272975 24 97216010329 25 2430400258225 26 1553580508516 27 4666092737476 28 538347188396016 29 2137864362693921