id:A075877 - OEIS Search Results

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Powering the decimal digits of n.

+0
1

1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 1, 4, 16, 64, 256, 1024, 4096, 16384, 65536, 262144, 1, 5, 25, 125, 625, 3125, 15625, 78125, 390625, 1953125, 1, 6, 36, 216, 1296 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n)=1 iff the initial digit is 1 or n contains a 0 (i.e. A055641(n)>0 or A000030(n)=1);` `a(A011540(n))=1.`
	FORMULA	`a(n) = a(floor(n\10))^(n mod 10).`
	EXAMPLE	`a(253) = 2^5^3 = 32^3 = 32768.`
	CROSSREFS	`Cf. A007953, A007954.` `Sequence in context: A076313 A055017 A040997 this_sequence A133500 A052423 A126616` `Adjacent sequences: A075874 A075875 A075876 this_sequence A075878 A075879 A075880`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 16 2002`

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Last modified November 25 14:45 EST 2009. Contains 167481 sequences.

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