# A051878 (b-file synthesized from sequence entry) 0 1 1 13 2 63 3 203 4 518 5 1134 6 2226 7 4026 8 6831 9 11011 10 17017 11 25389 12 36764 13 51884 14 71604 15 96900 16 128877 17 168777 18 217987 19 278047 20 350658 21 437690 22 541190 23 663390 24 806715 25 973791 26 1167453 27 1390753 28 1646968 29 1939608 30 2272424 31 2649416 32 3074841 33 3553221 34 4089351 35 4688307 36 5355454 37 6096454