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 A218488 Positive numbers differing from next 4 greater squares by squares. 4

%I

%S 60480,2851200,13366080,42134400,93139200,588107520,684391680,

%T 1210809600,10534043520,16817673600,38694427200,52143537600,

%U 54939044160,59580892800,89555155200,104432328000,136734998400,356676566400,663924381120,1100581171200,1200474475200

%N Positive numbers differing from next 4 greater squares by squares.

%H Donovan Johnson, <a href="/A218488/b218488.txt">Table of n, a(n) for n = 1..84</a> (terms < 10^18)

%H E. J. Barbeau, <a href="http://dx.doi.org/10.4153/CMB-1985-040-9">Numbers differing from consecutive squares by squares</a>, Canad. Math. Bull. 28(1985), pp. 337-342.

%e 60480 = 246^2 - 6^2 = 247^2 - 23^2 = 248^2 - 32^2 = 249^2 - 39^2.

%Y Cf. A218485, A218486, A218487.

%K nonn

%O 1,1

%A _Michel Marcus_, Oct 30 2012

%E a(9)-a(21) from _Donovan Johnson_, Oct 31 2012

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Last modified January 25 05:34 EST 2022. Contains 350565 sequences. (Running on oeis4.)