# A014793 (b-file synthesized from sequence entry) 0 1 1 441 2 4225 3 17689 4 50625 5 116281 6 231361 7 416025 8 693889 9 1092025 10 1640961 11 2374681 12 3330625 13 4549689 14 6076225 15 7958041 16 10246401 17 12996025 18 16265089 19 20115225 20 24611521 21 29822521 22 35820225 23 42680089 24 50481025 25 59305401