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A256812
Smallest k>=1 such that n^6 + (n+1)^6 + ... + (n+k)^6 is prime or a(n)=0 if there is no such k.
1
0, 2, 0, 2, 0, 0, 0, 0, 5, 0, 0, 6, 20, 0, 0, 5, 20, 0, 20, 0, 5, 13, 5, 5, 0, 0, 0, 0, 5, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 6, 20, 0, 41, 2, 0, 5, 13, 0, 0, 0, 0, 6, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 20, 0, 20, 41, 0, 0, 0, 5, 0, 0, 0, 41, 0, 13, 20
OFFSET
1,2
COMMENTS
Using similar arguments as in comment in A256547, we obtain that every term is 0,2,5,6,13,20,41.
LINKS
KEYWORD
nonn
AUTHOR
STATUS
approved