id:A102669 - OEIS Search Results

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Number of digits >= 2 in decimal representation of n.

+0
3

0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 1, 1, 1 (list; graph; listen)

	OFFSET	`0,23`
	MAPLE	`p:=proc(n) local b, ct, j: b:=convert(n, base, 10): ct:=0: for j from 1 to nops(b) do if b[j]>=2 then ct:=ct+1 else ct:=ct fi od: ct: end: seq(p(n), n=0..116); (Deutsch)`
	CROSSREFS	`Cf. A055640, A102669-A012685.` `Sequence in context: A115230 A052010 A138471 this_sequence A055098 A055178 A159451` `Adjacent sequences: A102666 A102667 A102668 this_sequence A102670 A102671 A102672`
	KEYWORD	`nonn,base,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Feb 03 2005`
	EXTENSIONS	`More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Feb 23 2005`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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