A075877 - OEIS

This site is supported by donations to The OEIS Foundation.

A075877

Powering the decimal digits of n.

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; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`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: A175400 A175399 * A133500 A052423 A126616 A121042` `Adjacent sequences: A075874 A075875 A075876 * A075878 A075879 A075880`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 16 2002`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 17:11 EST 2012. Contains 205938 sequences.