# A259858 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 11 4 42 5 165 6 654 7 2605 8 10398 9 41550 10 166116 11 664299 12 2656866 13 10626810 14 42505932 15 170021123 16 680079282 17 2720306730 18 10881206124 19 43524782946 20 174099048684 21 696396028620 22 2785583782248 23 11142334464693 24 44569336530174 25 178277343463830 26 713109368541588