# A157679 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 4 4 6 5 9 6 15 7 25 8 35 9 49 10 70 11 100 12 160 13 256 14 416 15 676 16 936 17 1296 18 1800 19 2500 20 3550 21 5041 22 7171 23 10201 24 16261 25 25921 26 41377 27 66049 28 107169 29 173889 30 282309 31 458329 32 634349 33 877969 34 1215289 35 1682209 36 2335897 37 3243601 38 4504301 39 6255001 40 8881051 41 12609601