A084146 Integers that have exactly one representation as a sum of two or more consecutive primes.
5, 8, 10, 12, 15, 17, 18, 23, 24, 26, 28, 30, 31, 39, 42, 48, 49, 52, 53, 56, 58, 59, 67, 68, 71, 75, 77, 78, 84, 88, 95, 97, 98, 101, 102, 109, 121, 124, 127, 128, 129, 131, 132, 139, 144, 150, 155, 156, 158, 159, 160, 161, 162, 168, 169, 172, 173, 181, 184, 186, 192
Offset: 1
Keywords
Links
- T. D. Noe, Table of n, a(n) for n=1..10000
- Eric Weisstein's World of Mathematics, Prime Sums
Programs
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Maple
# uses code of A084143 isA084146 := proc(n::integer) if A084143(n) = 1 then true; else false; end if; end proc: for n from 1 to 300 do if isA084146(n) then printf("%d,",n) ; end if; end do: # R. J. Mathar, Aug 19 2020
Formula
A084143(a(n)) = 1. - Ray Chandler, Sep 20 2023
Extensions
More terms from Matthew Conroy, May 25 2003
Comments