id:A046431 - OEIS Search Results

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Sum of digits of a(n) raised to its digits powers is prime.

+0
11

10, 11, 12, 14, 20, 21, 23, 27, 32, 34, 40, 41, 43, 47, 72, 74, 100, 101, 103, 110, 111, 113, 130, 131, 157, 175, 236, 263, 289, 298, 300, 301, 310, 311, 326, 348, 355, 362, 384, 438, 445, 454, 458, 483, 485, 507, 517, 535, 544, 548, 553, 570, 571, 584, 623 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(n)=10 -> 1^1+0^0 = 2 and prime. a(n)=289 -> 2^2+8^8+9^9 = 404197709 and prime.`
	CROSSREFS	`Cf. A046432-A046441.` `Sequence in context: A031089 A110186 A098945 this_sequence A108697 A109279 A154770` `Adjacent sequences: A046428 A046429 A046430 this_sequence A046432 A046433 A046434`
	KEYWORD	`nonn,base`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1998.`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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