id:A135554 - OEIS Search Results

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Numbers n such that sum of digits of n^4 is prime.

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16, 256, 625, 2401, 4096, 83521, 160000, 279841, 456976, 1048576, 1500625, 2560000, 2825761, 3748096, 4477456, 4879681, 5764801, 6250000, 7890481, 9834496, 11316496, 14776336, 16777216, 20151121, 21381376, 24010000, 28398241 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1)=16 because 2^4=16 and 1+6=7, prime.`
	CROSSREFS	`Cf. A135555.` `Sequence in context: A158531 A171321 A077412 this_sequence A017570 A016744 A122609` `Adjacent sequences: A135551 A135552 A135553 this_sequence A135555 A135556 A135557`
	KEYWORD	`easy,nonn,base`
	AUTHOR	`Enoch Haga (Enokh(AT)comcast.net), Nov 25 2007`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

AT&T Labs Research