id:A031461 - OEIS Search Results

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n-th number k which in base 4 has the same number of 0's as 3's.

+0
1

1, 2, 5, 6, 9, 10, 12, 19, 21, 22, 25, 26, 28, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56, 71, 75, 77, 78, 83, 85, 86, 89, 90, 92, 99, 101, 102, 105, 106, 108, 113, 114, 116, 120, 135, 139, 141, 142, 147, 149, 150, 153, 154, 156, 163, 165 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Union of A031443 and A031448, i.e. numbers k in binary where the difference between numbers of 1's and 0's [A000120(k)-A023416(k)=-A037861(k)] is 1 or 0 - Henry Bottomley (se16(AT)btinternet.com), Mar 02 2001`
	CROSSREFS	`Sequence in context: A143909 A139454 A028946 this_sequence A085183 A133759 A042963` `Adjacent sequences: A031458 A031459 A031460 this_sequence A031462 A031463 A031464`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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