# A014278 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 2 4 3 5 6 6 12 7 30 8 67 9 159 10 381 11 929 12 2282 13 5680 14 14241 15 36009 16 91611 17 234512 18 603330 19 1559582 20 4047956 21 10546556 22 27570983 23 72301171 24 190136444 25 501323021 26 1324981299 27 3509660618 28 9315633928 29 24773632117 30 65999430834 31 176121938800 32 470720836811 33 1259936118810 34 3376997883966 35 9063076063854