id:A093545 - OEIS Search Results

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Sorted mapping of A093544 onto the integers.

+0
1

0, 2, 1, 5, 7, 3, 10, 12, 4, 15, 17, 6, 20, 22, 8, 25, 27, 9, 30, 32, 11, 35, 37, 13, 40, 42, 14, 45, 47, 16, 50, 52, 18, 55, 57, 19, 60, 62, 21, 65, 67, 23, 70, 72, 24, 75, 77, 26, 80, 82, 28, 85, 87, 29, 90, 92, 31, 95, 97, 33, 100, 102, 34, 105, 107, 36, 110, 112, 38 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`As A093544 contains the odd numbers not of form 12k+9, we map from modulo 12 to modulo 5: 1->0, 3->1, 5->2, 7->3, 11->4.`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	FORMULA	`G.f.: [x(x^10+3x^9+5x^8+x^7+5x^6+5x^5+2x^4+5x^3+5*x^2+x+2)]/[1-x^3-x^9+x^12].`
	PROGRAM	`(PARI) a(n)=5*(A093544(n)\12)+if(A093544(n)%12==11, 4, ((A093544(n)%12)-1)/2)`
	CROSSREFS	`a(3n) = 5n, a(3n+1) = 5n+2, a(3n+2) = A047206(n).` `Sequence in context: A109261 A085240 A002251 this_sequence A005297 A014551 A088014` `Adjacent sequences: A093542 A093543 A093544 this_sequence A093546 A093547 A093548`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Mar 31 2004`

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Last modified November 23 10:40 EST 2009. Contains 167421 sequences.

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