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

1,2

Links

Table of n, a(n) for n=1..30.

Crossrefs

Cf. A002182, A307763.

Sequence in context: A083787 A347979 A138286 * A308532 A102290 A025540

Adjacent sequences: A355283 A355284 A355285 * A355287 A355288 A355289

Keyword

nonn

Author

J. Lowell, Jun 26 2022

Extensions

More terms from Amiram Eldar, Jun 27 2022

Status

approved