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A061270 Squares such that each digit is a square and the sum of the digits is a square. 2

%I #12 Jan 29 2023 23:01:59

%S 0,1,4,9,100,144,400,441,900,10000,10404,14400,40000,40401,44100,

%T 44944,90000,1000000,1004004,1040400,1440000,4000000,4004001,4040100,

%U 4410000,4494400,9000000,9941409,11909401,100000000,100040004,100400400

%N Squares such that each digit is a square and the sum of the digits is a square.

%D Amarnath Murthy, Smarandache Additive square sequence is infinite. (To be published in Smarandache Notions Journal.)

%D Amarnath Murthy, Infinitely many common members of the Smarandache Additive as well as multiplicative square sequence. (To be published in Smarandache Notions Journal.)

%D Felice Russo, A set of new Smarandache functions, sequences and conjectures in number theory, American Research Press 2000.

%e 44944 = 212^2, each digit is a square, sum of digits = 4 + 4 + 9 + 4 + 4 = 25 = 5^2.

%Y Cf. A053057, A053059, A061267, A061268, A061269.

%K nonn,base

%O 1,3

%A _Amarnath Murthy_, Apr 24 2001

%E More terms from Larry Reeves (larryr(AT)acm.org), May 11 2001

%E a(1)=0 inserted by _Sean A. Irvine_, Jan 29 2023

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Last modified April 16 10:37 EDT 2024. Contains 371709 sequences. (Running on oeis4.)