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A059729 Carryless squares n X n base 10. 22

%I

%S 0,1,4,9,6,5,6,9,4,1,100,121,144,169,186,105,126,149,164,181,400,441,

%T 484,429,466,405,446,489,424,461,900,961,924,989,946,905,966,929,984,

%U 941,600,681,664,649,626,605,686,669,644,621,500,501,504,509,506,505

%N Carryless squares n X n base 10.

%H David Applegate, Marc LeBrun and N. J. A. Sloane, <a href="http://neilsloane.com/doc/carry1.pdf">Carryless Arithmetic (I): The Mod 10 Version</a>.

%H <a href="/index/Ca#CARRYLESS">Index entries for sequences related to carryless arithmetic</a>

%e a(87) is carryless sum of (6)400, (5)60, (5)60 and (4)9, i.e. 400+20+9=429.

%Y Cf. A004520, A059692, A169889, A169963.

%Y See A087019 (lunar squares) for another version.

%K base,nonn

%O 0,3

%A _Henry Bottomley_, Feb 20 2001

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Last modified November 18 07:55 EST 2018. Contains 317279 sequences. (Running on oeis4.)