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A093392
[n/25] + [(n+1)/25] + [(n+2)/25] + [(n+3)/25] + [(n+4)/25].
4
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 7, 8, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 12, 13, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15
OFFSET
0,23
COMMENTS
Conjectured g.f. confirmed with more terms similar to A093390, A093391, A093393.
LINKS
Index entries for linear recurrences with constant coefficients, signature (2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1, 0, 0, -1, 2, -1).
FORMULA
Empirical g.f.: x^21 / ((x-1)^2*(x^20+x^15+x^10+x^5+1)). - Colin Barker, Apr 01 2013
MATHEMATICA
Table[Total[Table[Floor[(n+d)/25], {d, 0, 4}]], {n, 0, 90}] (* Harvey P. Dale, Sep 04 2024 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 28 2004
STATUS
approved