[3,7,18,47,120,291,661,1404,2801,5283,9484,16305,
26990,43215,67191,101782,150639,218351,310614,
434419,598260,812363,1088937,1442448,1889917,
2451243,3149552,4011573,5068042,6354135,7909931,
9780906,12018459,14680471,17831898,21545399,
25902000,30991795]
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