# A014270 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 1 4 2 5 3 6 6 7 10 8 21 9 45 10 100 11 223 12 522 13 1234 14 2997 15 7344 16 18325 17 46098 18 117340 19 300935 20 778249 21 2025542 22 5305684 23 13972364 24 36985033 25 98344160 26 262612283 27 703971120 28 1893895747 29 5112056798 30 13841346542 31 37584596256 32 102331837104 33 279322502700 34 764238954757 35 2095651789775 36 5758646716947 37 15855576055018 38 43737831483597