# A052966 (b-file synthesized from sequence entry) 0 1 1 0 2 4 3 2 4 18 5 18 6 86 7 122 8 430 9 746 10 2222 11 4346 12 11742 13 24682 14 62958 15 138202 16 340670 17 767562 18 1853838 19 4242746 20 10122974 21 23386282 22 55392686 23 128691866 24 303490046 25 707472138 26 1664048590 27 3886957050 28 9128207134 29 21347938154