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A217411 3-adic valuation of A217410. 2
37, 43, 3, 51, 32, 56, 56, 57, 50, 54, 88, 44, 25, 64, 99, 23, 503 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
These are the exponents on 3 in numbers of the form (3^r)*(7^s) of the main sequence.
LINKS
EXAMPLE
A217410(1)=(3^37)*(7^10), so this sequence's first term is 37.
CROSSREFS
Sequence in context: A033225 A073686 A176926 * A155849 A295154 A224319
KEYWORD
nonn,base,less
AUTHOR
James G. Merickel, Oct 02 2012
STATUS
approved

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)