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Search: id:A068617
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| A068617 |
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Define an increasing sequence as follows. Given the first term called the seed (the seed need not have the property of the sequence.). Subsequent terms are defined as obtained by inserting/placing digits (at least one) in the previous term to obtain the smallest number with a given property. This is the growing square sequence for the seed a(1) = 8. |
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1
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OFFSET
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1,1
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COMMENT
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The growing square sequence for 1 and 6, 2 and 5 and 4 and 9 in pairs are the same.
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EXAMPLE
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a(2)=81 hence a(3) = 841 the smallest square formed from 81.
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CROSSREFS
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Cf. A068175, A068176, A068177, A068178, A068616.
Sequence in context: A007792 A098308 A055996 this_sequence A007778 A065440 A092366
Adjacent sequences: A068614 A068615 A068616 this_sequence A068618 A068619 A068620
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KEYWORD
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base,hard,more,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 25 2002
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