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A217426 5-adic valuation of A217425. 2
13, 4, 3, 3, 19, 29, 773 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A217425 consists of numbers of the form (5^r)*(7^s).  This sequence holds the r values.

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A217425, A217427.

Sequence in context: A204594 A204157 A010219 * A056139 A106293 A046734

Adjacent sequences:  A217423 A217424 A217425 * A217427 A217428 A217429

KEYWORD

nonn,base,less

AUTHOR

James G. Merickel, Oct 03 2012

STATUS

approved

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Last modified April 26 08:16 EDT 2019. Contains 322472 sequences. (Running on oeis4.)