id:A112955 - OEIS Search Results

Search: id:A112955

Displaying 1-1 of 1 results found.

page 1

Greatest number m such that phi(m) = n*tau(m), with phi=A000010 and tau=A000005; a(n)=0 if no such m exists.

+0
2

30, 120, 210, 420, 330, 840, 294, 1260, 1080, 1320, 690, 2520, 318, 1470, 2310, 3360, 0, 3780, 0, 4620, 1290, 2760, 1410, 5460, 3000, 1590, 7560, 5880, 1770, 9240 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`a(1) = A020488(A112954(1)) = A020488(7) = 30;` `a(2) = A062516(A112954(2)) = A062516(9) = 120;` `a(3) = A063469(A112954(3)) = A063469(10) = 210;` `a(4) = A063470(A112954(4)) = A063470(9) = 420.`
	CROSSREFS	`Cf. A112954.` `Sequence in context: A044281 A044662 A010018 this_sequence A042764 A042766 A042768` `Adjacent sequences: A112952 A112953 A112954 this_sequence A112956 A112957 A112958`
	KEYWORD	`nonn,more`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 07 2005`

page 1

Search completed in 0.002 seconds

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research