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A365494
a(n) is the smallest number which can be represented as the sum of n distinct n-almost primes in exactly n ways, or -1 if no such number exists.
1
2, 19, 65, 190
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Almost Prime.
EXAMPLE
For n = 2: 19 = 2*2 + 3*5 = 3*3 + 2*5.
CROSSREFS
Sequence in context: A204219 A042149 A218547 * A232537 A309341 A079773
KEYWORD
nonn,more
AUTHOR
Ilya Gutkovskiy, Sep 07 2023
STATUS
approved