A077111 - OEIS

A077111

a(n) = A077110(n) - n^2.

0, 0, -3, -1, -8, 2, -9, 15, 0, -17, 25, 4, -19, -44, 20, -9, -40, 54, 19, -18, -57, 71, 28, -17, -64, 104, 53, 0, -55, -112, 100, 39, -24, -89, -156, 106, 35, -38, -113, -190, 128, 47, -36, -121, -208, 172, 81, -12, -107, -204, 244, 143, 40, -65, -172

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OFFSET

0,3

COMMENTS

a(n)=0 iff n = m^(6*k).

LINKS

Table of n, a(n) for n=0..54.

FORMULA

a(n) = if A075847(n) < A070923(n) then -A075847(n) else A070923(n).

EXAMPLE

A077110(20)=343=7^3 is the nearest cube to 20^2=400, therefore a(20)=343-400=-57.

CROSSREFS