# A051284 (b-file synthesized from sequence entry) 1 3 2 6 3 11 4 23 5 44 6 92 7 178 8 370 9 719 10 1487 11 2897 12 5969 13 11651 14 22223 15 45083 16 89516 17 181385 18 353683 19 722589 20 1423078 21 2903564 22 5696576 23 11635316 24 22866150 25 46704206 26 91835554 27 187298550