A227842 - OEIS

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A227842

First differences of A014817.

1, 2, 3, 2, 4, 5, 6, 5, 5, 8, 9, 6, 10, 11, 12, 7, 13, 12, 15, 12, 14, 17, 18, 13, 15, 20, 19, 16, 22, 21, 24, 17, 21, 26, 27, 18, 26, 29, 28, 21, 29, 28, 33, 28, 30, 33, 36, 27, 31, 34, 35, 32, 38, 39, 40, 31, 37, 42, 45, 32, 44, 45, 46, 33, 45, 44, 49, 44, 46, 51, 52, 37, 49, 56, 49, 48, 54, 53, 60, 47

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Table of n, a(n) for n=1..80.

MAPLE

A227842 := proc(n)

A014817(n+1)-A014817(n) ;

end proc:

seq(A227842(n), n=1..80) ; # R. J. Mathar, Aug 09 2013

MATHEMATICA

Differences[Table[Sum[Floor[k^2/n], {k, n}], {n, 100}]] (* Harvey P. Dale, Sep 13 2024 *)