id:A061580 - OEIS Search Results

Search: id:A061580

Displaying 1-1 of 1 results found.

page 1

a(1) = 1, a(n)= number obtained by replacing each digit of a(n-1) by four times its value.

+0
1

1, 4, 16, 424, 16816, 42432424, 1681612816816, 42432424483242432424, 16816128168161616321281681612816816, 42432424483242432424424424128483242432424483242432424 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A061581-A061587.` `Sequence in context: A067211 A156337 A000874 this_sequence A037976 A013138 A013006` `Adjacent sequences: A061577 A061578 A061579 this_sequence A061581 A061582 A061583`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 13 2001`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org) and Asher Natan Auel (auela(AT)reed.edu), May 15 2001`

page 1

Search completed in 0.002 seconds

Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

AT&T Labs Research