# A036080 (b-file synthesized from sequence entry) 0 1 1 2 2 15 3 175 4 2452 5 39703 6 741177 7 15771270 8 375485507 9 9837064575 10 280338965720 11 8623355105347 12 284589703065137 13 10022926411599482 14 374900187362983015 15 14830483377507515247 16 618219446355189917804 17 27071966121397255354079 18 1241912851303663452150377