# A017655 (b-file synthesized from sequence entry) 0 1331 1 12167 2 42875 3 103823 4 205379 5 357911 6 571787 7 857375 8 1225043 9 1685159 10 2248091 11 2924207 12 3723875 13 4657463 14 5735339 15 6967871 16 8365427 17 9938375 18 11697083 19 13651919 20 15813251 21 18191447 22 20796875