id:A037463 - OEIS Search Results

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a(n)=Sum{d(i)*9^i: i=0,1,...,m}, where Sum{d(i)*4^i: i=0,1,...,m} is the base 4 representation of n.

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1, 2, 3, 9, 10, 11, 12, 18, 19, 20, 21, 27, 28, 29, 30, 81, 82, 83, 84, 90, 91, 92, 93, 99, 100, 101, 102, 108, 109, 110, 111, 162, 163, 164, 165, 171, 172, 173, 174, 180, 181, 182, 183, 189, 190, 191, 192, 243, 244, 245, 246, 252, 253 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A007316 A163905 A135204 this_sequence A133557 A047475 A039012` `Adjacent sequences: A037460 A037461 A037462 this_sequence A037464 A037465 A037466`
	KEYWORD	`nonn,base`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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