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A217432
3-adic valuation of A217431.
2
25, 10, 20, 48, 10
OFFSET
1,1
COMMENTS
A217431 consists of numbers of the form (3^r)*(13^s). This sequence holds the r values.
CROSSREFS
Sequence in context: A226224 A181763 A171638 * A040604 A358131 A097440
KEYWORD
nonn,base,more
AUTHOR
James G. Merickel, Oct 03 2012
STATUS
approved