# A076850 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 6 6 10 7 12 8 15 9 33 10 55 11 56 12 61 13 154 14 201 15 462 16 570 17 841 18 848 19 1297 20 1357 21 2008 22 2628 23 2848 24 3111 25 6877 26 9162 27 17766