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A359848
a(n) is the smallest tribonacci number (A000073) with exactly n distinct prime factors.
4
1, 2, 24, 504, 35890, 8646064, 1697490356184, 120879712950776, 98079530178586034536500564, 748829299860308729347600, 119816209721856219780831547518850, 15418262617564622254988364568360573618470100684551892712710640455037970
OFFSET
0,2
LINKS
Eric Weisstein's World of Mathematics, Distinct Prime Factors
Eric Weisstein's World of Mathematics, Tribonacci Number
EXAMPLE
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.
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Jan 15 2023
EXTENSIONS
a(11) from Daniel Suteu, Jan 17 2023
STATUS
approved