# A059135 (b-file synthesized from sequence entry) 0 11 1 54 2 161 3 396 4 887 5 1890 6 3917 7 7992 8 16163 9 32526 10 65273 11 130788 12 261839 13 523962 14 1048229 15 2096784 16 4193915 17 8388198 18 16776785 19 33553980 20 67108391 21 134217234 22 268434941 23 536870376 24 1073741267 25 2147483070 26 4294966697 27 8589933972 28 17179868543 29 34359737706