A140580 - OEIS

A140580

a(n) = (n^2)/A048671(n), = n*A014963(n) = A140579 * [1, 2, 3, ...].

1, 4, 9, 8, 25, 6, 49, 16, 27, 10, 121, 12, 169, 14, 15, 32, 289, 18, 361, 20, 21, 22, 529, 24, 125, 26, 81, 28, 841, 30, 961, 64, 33, 34, 35, 36, 1369, 38, 39, 40, 1681, 42, 1849, 44, 45, 46, 2209, 48, 343, 50, 51, 52, 2809, 54, 55, 56, 57, 58, 3481, 60, 3721, 62, 63

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OFFSET

1,2

COMMENTS

a(n) gives the last row of columns in A133233. - Mats Granvik, Jun 07 2008

LINKS

Table of n, a(n) for n=1..63.

EXAMPLE

a(9) = 27 = 81/3 where 9^2 = 81 and A048671(9) = 3.

a(9) = 27 = 9*A014963(n) = 9*3.

CROSSREFS

Cf. A140579, A014963, A048671.