A004087 - OEIS

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A004087

Primes written backwards.

2, 3, 5, 7, 11, 31, 71, 91, 32, 92, 13, 73, 14, 34, 74, 35, 95, 16, 76, 17, 37, 97, 38, 98, 79, 101, 301, 701, 901, 311, 721, 131, 731, 931, 941, 151, 751, 361, 761, 371, 971, 181, 191, 391, 791, 991, 112, 322, 722 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`a(n) = A188649(A000040(n)). [Reinhard Zumkeller, Apr 11 2011]` `a(n) = A071786(A000040(n)). [Reinhard Zumkeller, Oct 14 2011]`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..10000`
	PROG	`(Haskell)` `a004087 n = a004087_list !! (n-1)` `a004087_list = map a004086 a000040_list` `-- Reinhard Zumkeller, Oct 14 2011`
	CROSSREFS	`Cf. a(n) = A004086(A000040(n)) = A000040(n) - A068396(n).` `Sequence in context: A095180 A101989 A098922 * A118495 A028906 A118496` `Adjacent sequences: A004084 A004085 A004086 * A004088 A004089 A004090`
	KEYWORD	`nonn,base`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.