# A024474 (b-file synthesized from sequence entry) 1 1 2 3 3 13 4 18 5 42 6 57 7 112 8 137 9 245 10 282 11 488 12 562 13 947 14 1056 15 1752 16 1969 17 3234 18 3564 19 5822 20 6294 21 10245 22 11166 23 18135 24 19514 25 31647 26 33580 27 54413 28 58116 29 94119 30 99407 31 160936 32 171219 33 277135 34 292509 35 473393 36 494951 37 800957 38 842277 39 1362949 40 1422184