id:A108303 - OEIS Search Results

Search: id:A108303

Displaying 1-1 of 1 results found.

page 1

Numbers n such that concatenating n and the sum of the digits of n raised to their own power (A045503) produces a prime.

+0
1

1, 34, 41, 43, 52, 60, 67, 85, 101, 110, 113, 122, 126, 128, 146, 148, 150, 155, 168, 175, 184, 186, 191, 202, 208, 212, 234, 241, 252, 267, 287, 300, 355, 397, 404, 423, 432, 445, 469, 511, 602, 606, 620, 627, 634, 641, 656, 680, 685, 750, 762, 793, 806, 919 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`2^2560 produces a 782 digit prime (certified).`
	EXAMPLE	`a(5)=52 because 5^5 + 2^2 = 3129 and 523129 is prime.`
	CROSSREFS	`Cf. A045503.` `Adjacent sequences: A108300 A108301 A108302 this_sequence A108304 A108305 A108306` `Sequence in context: A067190 A141699 A045044 this_sequence A062695 A107730 A095419`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jun 29 2005`

page 1

Search completed in 0.002 seconds

Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

AT&T Labs Research