# A036726 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 9 4 46 5 247 6 1436 7 8684 8 54102 9 345042 10 2241014 11 14771896 12 98568908 13 664518873 14 4519394316 15 30969650840 16 213625862342 17 1482134240438 18 10335968352644 19 72411026552273 20 509383556655134 21 3596650497366507 22 25480925906761956