# A024461 (b-file synthesized from sequence entry) 1 4 2 6 3 14 4 17 5 35 6 40 7 73 8 83 9 145 10 166 11 281 12 312 13 519 14 561 15 923 16 1000 17 1635 18 1783 19 2904 20 3117 21 5064 22 5335 23 8654 24 9132 25 14800 26 15677 27 25391 28 26470 29 42857 30 44697 31 72350 32 75573 33 122310 34 128165 35 207407 36 218556 37 353665 38 369326 39 597617 40 616728 41 997923 42 1030248