# A074763 (b-file synthesized from sequence entry) 1 2 2 1 3 4 4 4 5 8 6 10 7 20 8 34 9 60 10 100 11 188 12 348 13 632 14 1162 15 2192 16 4114 17 7712 18 14542 19 27596 20 52480 21 99880 22 190558 23 364724 24 699248 25 1342184 26 2580796 27 4971068 28 9587560 29 18512792 30 35790376 31 69273668 32 134219794 33 260301176 34 505286416 35 981706832