Cumulative sum of the cubes of composite numbers.
64, 280, 792, 1521, 2521, 4249, 6993, 10368, 14464, 20296, 28296, 37557, 48205, 62029, 77654, 95230, 114913, 136865, 163865, 196633, 232570, 271874, 314749, 361405, 416277, 475596, 539596, 613684, 698868, 789993, 887329, 997921, 1115570, 1240570, 1373221
1
T. D. Noe, Plot of 1000 terms
T. D. Noe, Table of 1000 terms
(Mma) nn = 20; ps = Complement[Range[2, Prime[nn]], Prime[Range[nn]]]; Accumulate[ps^3]
Cf. A002808 (composites), A053767 (cumulative sum of composites), S000087, S000089, S000090.
nonn
T. D. Noe, Jun 16 2014