id:A056821 - OEIS Search Results

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Totient of the Woodall numbers (A003261), n*2^n -1.

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1, 6, 22, 36, 104, 382, 712, 1936, 4320, 6824, 15012, 46992, 79344, 183000, 421008, 480000, 1453784, 4658784, 8877792, 20958480, 38887680, 61284600, 110250264, 388201176, 719023536, 1734432480, 2889658368, 4745378304, 10350643968 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Table[EulerPhi[n*2^n - 1], {n, 1, 35}]`
	CROSSREFS	`Cf. A003261.` `Adjacent sequences: A056818 A056819 A056820 this_sequence A056822 A056823 A056824` `Sequence in context: A046392 A046408 A123017 this_sequence A031083 A031305 A015721`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 31 2000`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research