id:A055611 - OEIS Search Results

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n written efficiently in natural numbers base, i.e. in form ...wxyz where n=1*z+2*y+3*x+4*w+... with z<=1, y<2, x<3, w<4, ...

+0
2

1, 10, 11, 101, 110, 111, 201, 210, 211, 1111, 1201, 1210, 1211, 2111, 2201, 2210, 2211, 3111, 3201, 3210, 3211, 12211, 13111, 13201, 13210, 13211, 22211, 23111, 23201, 23210, 23211, 32211, 33111, 33201, 33210, 33211, 42211, 43111, 43201 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`a(9)=211 since 9=32+21+1*1 and alternatives such as 100000000 or 10101 are less efficient`
	CROSSREFS	`Cf. A055992 for a slightly different definition` `Sequence in context: A038313 A066330 A125099 this_sequence A077813 A104326 A037090` `Adjacent sequences: A055608 A055609 A055610 this_sequence A055612 A055613 A055614`
	KEYWORD	`base,nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Jun 02 2000`

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

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