# A342912 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 6 4 15 5 36 6 91 7 232 8 603 9 1585 10 4213 11 11298 12 30537 13 83097 14 227475 15 625992 16 1730787 17 4805595 18 13393689 19 37458330 20 105089229 21 295673994 22 834086421 23 2358641376 24 6684761125 25 18985057351 26 54022715451 27 154000562758 28 439742222071 29 1257643249140 30 3602118427251