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A030985 3-automorphic numbers ending in 2: final digits of 3*n^2 agree with n. 1
2, 92, 792, 9792, 69792, 369792, 2369792, 62369792, 262369792, 7262369792, 27262369792, 27262369792, 27262369792, 80027262369792, 580027262369792, 4580027262369792, 14580027262369792, 914580027262369792 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

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

LINKS

Eric M. Schmidt, Table of n, a(n) for n = 1..1000

Index entries for sequences related to automorphic numbers

Index entries for sequences related to final digits of numbers

Eric Weisstein's World of Mathematics, Automorphic Number

PROG

(Sage) [crt(0, inverse_mod(3, 5^n), 2^n, 5^n) for n in xrange(1, 1001)] # Eric M. Schmidt, Aug 18 2012

CROSSREFS

Sequence in context: A266653 A116162 A116293 * A053313 A226404 A166825

Adjacent sequences:  A030982 A030983 A030984 * A030986 A030987 A030988

KEYWORD

nonn,base

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified October 20 17:39 EDT 2017. Contains 293648 sequences.