A355286 Highly composite numbers that are not a product of two highly composite numbers greater than 1.

1, 2, 6, 60, 180, 840, 1260, 25200, 27720, 83160, 277200, 720720, 1081080, 3603600, 10810800, 32432400, 36756720, 61261200, 110270160, 183783600, 551350800, 698377680, 2095133040, 2327925600, 3491888400, 10475665200, 48886437600, 64250746560, 73329656400, 80313433200

Offset: 1

Author

J. Lowell, Jun 26 2022

Keywords

• nonn

Crossrefs

Cf. A002182, A307763.

Extensions

More terms from Amiram Eldar, Jun 27 2022