# A009378 (b-file synthesized from sequence entry) 0 0 1 2 2 0 3 22 4 280 5 5402 6 515460 7 11703382 8 2688141040 9 146635350962 10 34251754225020 11 4629204580980142 12 993794187704175400 13 265705552906954222922 14 63184407507496166760180