id:A113842 - OEIS Search Results

Search: id:A113842

Displaying 1-1 of 1 results found.

page 1

Prime[tribonacci[i]].

+0
1

2, 2, 3, 7, 17, 41, 89, 193, 419, 859, 1759, 3607, 7247, 14551, 28793, 56893, 111863, 218839, 426583, 827851, 1603769, 3097121, 5966629, 11470489, 22004617, 42142883, 80570929, 153802489, 293176621, 558130051, 1061238359, 2015569583 (list; graph; listen)

	OFFSET	`2,1`
	COMMENT	`This is to the tribonacci sequence what A030427 is to the Fibonacci sequence.`
	FORMULA	`a(n) = A000040(A000073(n)).`
	EXAMPLE	`a(2) = prime(tribonacci(2)) = prime(1) = 2.` `a(3) = prime(tribonacci(3)) = prime(1) = 2.` `a(4) = prime(tribonacci(4)) = prime(2) = 3.` `a(5) = prime(tribonacci(5)) = prime(4) = 7.` `a(6) = prime(tribonacci(6)) = prime(7) = 17.`
	CROSSREFS	`Cf. A000040, A000073, A030427.` `Sequence in context: A032236 A128776 A117387 this_sequence A032161 A098738 A083701` `Adjacent sequences: A113839 A113840 A113841 this_sequence A113843 A113844 A113845`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Jan 23 2006`

page 1

Search completed in 0.002 seconds

Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

AT&T Labs Research