id:A132131 - OEIS Search Results

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"Punctual Bird" numbers n with the additional property that n-1 is not a Punctual Bird (cf. A131881).

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1, 13, 22, 24, 33, 35, 44, 46, 55, 57, 66, 68, 77, 79, 88, 90, 100, 102, 113, 124, 133, 143, 153, 163, 173, 183, 193, 203, 224, 235, 244, 254, 264, 274, 284, 294, 304, 335, 346, 355, 365, 375, 385, 395, 405, 446, 457, 466, 476, 486, 496, 506, 557, 568, 577, 587 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Punctual Birds (A131881) are all numbers k with A132131(n) <= k < A132132(n) for some n Early Birds (A116700) are all numbers k with A132132(n) <= k < A132131(n+1) for some n`
	LINKS	`Graeme McRae, Table of n, a(n) for n = 1..27348`
	EXAMPLE	`a(1)=1 because 1 is the first Punctual Bird.` `a(2)=13 because 1-11 are Punctual Birds and 12 is not a Punctual Bird.` `a(3)=22 because 13-20 are Punctual Birds and 21 is not a Punctual Bird.`
	CROSSREFS	`Cf. A033307, A117804, A116700, A131881, A132132, A132133.` `Sequence in context: A056523 A158998 A122559 this_sequence A059408 A164455 A164504` `Adjacent sequences: A132128 A132129 A132130 this_sequence A132132 A132133 A132134`
	KEYWORD	`base,nonn`
	AUTHOR	`Graeme McRae (g_m(AT)mcraefamily.com), Aug 11 2007`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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