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A155985 a(1), then a(n) = smallest square not occurring earlier, not ending with zero and starting with the last digit of a(n-1). 2
1, 16, 64, 4, 49, 9, 961, 121, 144, 441, 169, 9025, 529, 9216, 625, 576, 676, 6084, 484, 4096, 6241, 196, 6561, 1024, 4225, 5041, 1089, 9409, 9604, 4356, 6724, 4489, 9801, 1156, 6889, 90601, 1225, 5184, 4624, 4761, 1296, 60025, 5329, 91204, 40401, 1369 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..46.

CROSSREFS

Cf. A076653 Smallest prime number not occurring earlier and starting with the end of the previous term.

Sequence in context: A060091 A076751 A215969 * A211222 A250102 A090567

Adjacent sequences:  A155982 A155983 A155984 * A155986 A155987 A155988

KEYWORD

base,nonn

AUTHOR

Zak Seidov, Feb 01 2009

STATUS

approved

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Last modified March 28 21:25 EDT 2017. Contains 284246 sequences.