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A253261
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Odd Brazilian squares.
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2
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81, 121, 225, 441, 625, 729, 1089, 1225, 1521, 2025, 2401, 2601, 3025, 3249, 3969, 4225, 4761, 5625, 5929, 6561, 7225, 7569, 8281, 8649, 9025, 9801, 11025, 12321, 13225, 13689, 14161, 14641, 15129, 15625, 16641, 17689, 18225, 19881, 20449, 21025, 21609, 23409, 24025, 25281, 25921, 27225, 28561
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OFFSET
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1,1
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COMMENTS
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121 is believed to be the only number of the form p^2 for prime p.
The previous comment conjectures the 1 and the 121 are the only difference with respect to A062532. - R. J. Mathar, Jul 25 2015
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LINKS
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PROG
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(PARI) for(n=4, 10^5, for(b=2, n-2, d=digits(n, b); if(vecmin(d)==vecmax(d)&&(n+1)%2==0&&issquare(n), print1(n, ", "); break)))
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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