A359848 a(n) is the smallest tribonacci number (A000073) with exactly n distinct prime factors.
1, 2, 24, 504, 35890, 8646064, 1697490356184, 120879712950776, 98079530178586034536500564, 748829299860308729347600, 119816209721856219780831547518850, 15418262617564622254988364568360573618470100684551892712710640455037970
Offset: 0
Keywords
Examples
a(4) = 35890, because 35890 is a tribonacci number with 4 distinct prime factors {2, 5, 37, 97} and this is the smallest such number.
Links
- Eric Weisstein's World of Mathematics, Distinct Prime Factors
- Eric Weisstein's World of Mathematics, Tribonacci Number
Extensions
a(11) from Daniel Suteu, Jan 17 2023