A338447 Sums of consecutive odd positive cubes.

1, 27, 28, 125, 152, 153, 343, 468, 495, 496, 729, 1072, 1197, 1224, 1225, 1331, 2060, 2197, 2403, 2528, 2555, 2556, 3375, 3528, 4257, 4600, 4725, 4752, 4753, 4913, 5572, 6859, 6903, 7632, 7975, 8100, 8127, 8128, 8288, 9261, 10485, 11772, 11816, 12167, 12545, 12888, 13013

Offset

1,2

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Index entries for sequences related to sums of cubes

Example

495 is in the sequence because 495 = 3^3 + 5^3 + 7^3.

Prog

(PARI) lista(nn) = {my(list = List()); forstep (i=1, nn, 2, my(s = 0); forstep(j=i, 1, -2, s += j^3; if (s > nn^3, break); listput(list, s); ); ); Set(list); } \\ Michel Marcus, Nov 13 2020

Crossrefs

Cf. A002593, A016755, A042965, A217843, A265845, A290276, A320728.

Sequence in context: A042488 A042486 A290276 * A042492 A042490 A042496

Adjacent sequences: A338444 A338445 A338446 * A338448 A338449 A338450

Keyword

nonn

Author

Ilya Gutkovskiy, Oct 28 2020

Status

approved