# A074083 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 0 4 0 5 4 6 14 7 39 8 97 9 224 10 494 11 1051 12 2177 13 4412 14 8784 15 17228 16 33360 17 63886 18 121164 19 227833 20 425147 21 787916 22 1451198 23 2657821 24 4842727 25 8782230 26 15857426 27 28517864 28 51095760 29 91232520 30 162372682 31 288115147 32 509790277 33 899630376