A334115 Numbers that can be written as a product of tetrahedral numbers.

0, 1, 4, 10, 16, 20, 35, 40, 56, 64, 80, 84, 100, 120, 140, 160, 165, 200, 220, 224, 256, 286, 320, 336, 350, 364, 400, 455, 480, 560, 640, 660, 680, 700, 800, 816, 840, 880, 896, 969, 1000, 1024, 1120, 1140, 1144, 1200, 1225, 1280, 1330, 1344, 1400, 1456, 1540, 1600

Offset: 1

Author

Ilya Gutkovskiy, Apr 14 2020

Keywords

• nonn

Comments

For n > 1, numbers that appear at least once in A007426.

Links

• David A. Corneth, Table of n, a(n) for n = 1..10000
• Eric Weisstein's World of Mathematics, Tetrahedral Number

Crossrefs

Cf. A000292, A007426, A085782, A265010.

Extensions

More terms from David A. Corneth, Mar 22 2021