A380526 Terms of A380525 with at least 5 prime factors.

36465, 452670, 485970, 1627782, 3153345, 3257170, 3848370, 4324470, 4891470, 4905762, 5406270, 5413902, 6448794, 7664595, 7669545, 7834290, 8884869, 8951370, 15031527, 16408770, 32288577, 34805967, 36841470, 39912522, 42356814, 43724265, 43978398, 48547670, 54287682, 55924170, 61226790, 61406295, 62976246, 64326426

Offset: 1

Author

Antti Karttunen, Feb 09 2025

Keywords

• nonn

Comments

The first fifteen terms with 6 prime factors are: 3257170, 1083680466, 1153415670, 1160328390, 1163972490, 1339386378, 1342341114, 2299929898, 2333530590, 3630735690, 4611660990, 4766752978, 10592470770, 24366944670, 31075228770.

If there is a term with 7 or more prime factors, it is larger than 2^35.

Links

• Antti Karttunen, Table of n, a(n) for n = 1..699
• Index entries for sequences related to primorial base.

Crossrefs

Cf. A001221, A001222, A380524, A380525.

Formula

{k such that A380524(k) = 1 and A001222(k) >= 5}.