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Search: id:A030154
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A030154 Squares such that in n and sqrt(n) the parity of digits alternates. +0
1
0, 1, 4, 9, 16, 25, 36, 49, 81, 256, 529, 729, 1296, 4761, 5476, 6561, 9216, 16129, 32761, 34969, 87616, 763876, 5414929, 5612161, 7414729, 7436529, 7634169, 14561856, 21058921, 34503876, 43072969, 43414921, 45252529, 69272329 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A068879 A030152 A030288 this_sequence A122541 A133743 A028820

Adjacent sequences: A030151 A030152 A030153 this_sequence A030155 A030156 A030157

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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