id:A054787 - OEIS Search Results

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Earliest sequence with a(a(n))=7n.

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0, 2, 7, 4, 21, 6, 35, 14, 9, 56, 11, 70, 13, 84, 49, 16, 105, 18, 119, 20, 133, 28, 23, 154, 25, 168, 27, 182, 147, 30, 203, 32, 217, 34, 231, 42, 37, 252, 39, 266, 41, 280, 245, 44, 301, 46, 315, 48, 329, 98, 51, 350, 53, 364, 55, 378, 63, 58, 399, 60, 413, 62, 427, 392 (list; graph; listen)

	OFFSET	`0,2`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..1000` `Index entries for sequences of the a(a(n)) = 2n family`
	FORMULA	`a(7n)=7*a(n), a(7n+1)=7n+2, a(7n+2)=49n+7, a(7n+3)=7n+4, a(7n+4)=49n+21, a(7n+5)=7n+6, a(7n+6)=49n+35`
	CROSSREFS	`Cf. A002516, A002517, A002518, A007379.` `Sequence in context: A115857 A065621 A036565 this_sequence A013623 A113814 A059038` `Adjacent sequences: A054784 A054785 A054786 this_sequence A054788 A054789 A054790`
	KEYWORD	`nice,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Apr 27 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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