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A030985
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3-automorphic numbers ending in 2: final digits of 3*n^2 agree with n.
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1
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2, 92, 792, 9792, 69792, 369792, 2369792, 62369792, 262369792, 7262369792, 27262369792, 27262369792, 27262369792, 80027262369792, 580027262369792, 4580027262369792, 14580027262369792, 914580027262369792
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OFFSET
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1,1
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COMMENTS
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a(n) is the unique positive integer less than 10^n such that a(n) is divisible by 2^n and 3*a(n) - 1 is divisible by 5^n. - Eric M. Schmidt, Aug 18 2012
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LINKS
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PROG
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(Sage) [crt(0, inverse_mod(3, 5^n), 2^n, 5^n) for n in range(1, 1001)] # Eric M. Schmidt, Aug 18 2012
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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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