# A377866 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 5 5 18 6 59 7 185 8 564 9 1685 10 4957 11 14406 12 41455 13 118321 14 335400 15 945193 16 2650229 17 7398330 18 20573219 19 57013865 20 157517532 21 433993661 22 1192779085 23 3270835566 24 8950887895 25 24448816993 26 66665369424 27 181489721425 28 493361278949