A102258 - OEIS

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A102258

Begin with 5, multiply each digit by 2.

5, 10, 2, 0, 4, 0, 8, 0, 16, 0, 2, 12, 0, 4, 2, 4, 0, 8, 4, 8, 0, 16, 8, 16, 0, 2, 12, 16, 2, 12, 0, 4, 2, 4, 2, 12, 4, 2, 4, 0, 8, 4, 8, 4, 2, 4, 8, 4, 8, 0, 16, 8, 16, 8, 4, 8, 16, 8, 16, 0, 2, 12, 16, 2, 12, 16, 8, 16, 2, 12, 16, 2, 12, 0, 4, 2, 4, 2, 12, 4, 2, 4, 2, 12, 16, 2, 12, 4, 2, 4, 2, 12, 4 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	LINKS	`Table of n, a(n) for n=1..93.`
	FORMULA	`d*2, beginning with 5`
	EXAMPLE	`Read a(2)=10 which produces a(3)=2 & a(4)=0 because 12=2 and 02=0` `Now read a(3)=2 which produces [a(4) is already written] a(5)=4 because 2*2=4.`
	MATHEMATICA	`Flatten[ NestList[ Function[x, Flatten[FromDigits /@ 2IntegerDigits[x]]], 5, 15]] (* Robert G. Wilson v, Feb 21 2005 *)`
	CROSSREFS	`Sequence in context: A099731 A091306 A073048 * A169841 A084341 A054513` `Adjacent sequences: A102255 A102256 A102257 * A102259 A102260 A102261`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Alexandre Wajnberg and Eric Angelini, Feb 19 2005`
	EXTENSIONS	`More terms from Robert G. Wilson v, Feb 21 2005`
	STATUS	`approved`

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Last modified September 11 04:55 EDT 2015. Contains 261517 sequences.