

A055727


Number of lucky 4,6 triples <= 10^n.


0




OFFSET

0,2


COMMENTS

A lucky 4,6 triple is a triple (k, k+4, k+6) such that k, k+4, and k+6 are lucky numbers and no other number between k and k+6 is lucky.  Sean A. Irvine, Apr 04 2022
A triple is counted in a(n) if its smallest member is at most 10^n.  Pontus von Brömssen, Apr 04 2022


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KEYWORD

nonn,less,more


AUTHOR



EXTENSIONS



STATUS

approved



