A132743 - OEIS

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A132743

Powers appearing in A132416.

1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 5, 2, 3, 3, 3, 5, 9, 4, 3, 5, 4, 5, 5, 13, 6, 7, 5, 9, 5, 6, 5, 7, 17, 9, 7, 8, 13, 8, 9, 21, 11, 7, 10, 9, 25, 9, 11, 10, 13, 17, 9, 12, 11, 9, 29 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,10`
	FORMULA	`a(n)=log(mod(A132416(n),10),A132416(n)); d^a(n)=A132416(n) where d is the last digit of A132416(n), d=A132416(n) mod 10.`
	EXAMPLE	`a(10)=2 because A132416(10)=25 the last digit of which is 5 and 5^2=25;` `a(11)=5 because A132416(11)=32 the last digit of which is 2 and 2^5=32;` `a(13)=3 because A132416(13)=64 the last digit of which is 4 and 4^3=64.`
	MATHEMATICA	`a[n_]:=Log[Mod[A132416[n], 10], A132416[n]]`
	CROSSREFS	`Cf. A132416.` `Sequence in context: A134486 A088006 A078311 * A192885 A199611 A111232` `Adjacent sequences: A132740 A132741 A132742 * A132744 A132745 A132746`
	KEYWORD	`nonn,base`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Nov 17 2007`

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Last modified February 15 08:10 EST 2012. Contains 205722 sequences.