# A150228 (b-file synthesized from sequence entry) 0 1 1 2 2 6 3 22 4 78 5 298 6 1196 7 4776 8 19630 9 82460 10 346174 11 1475372 12 6366272 13 27477314 14 119705140 15 525695678 16 2309607508 17 10211810684 18 45406121298 19 201982264656 20 902651784780 21 4050830854290 22 18186197331954 23 81934870356650 24 370339304893844 25 1674510493383670 26 7592425912834458 27 34513742317591202