id:A128755 - OEIS Search Results

Search: id:A128755

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Inverse of A128754.

+0
7

7, 8, 2, 1, 15, 3, 14, 5, 4, 23, 6, 9, 12, 55, 10, 11, 20, 13, 21, 29, 16, 19, 18, 30, 22, 38, 24, 43, 26, 17, 28, 27, 37, 25, 39, 31, 32, 54, 34, 61, 40, 33, 42, 41, 58, 35, 36, 45, 48, 47, 46, 57, 44, 78, 50, 51, 64, 76, 56, 74, 52, 49, 60, 63, 77, 53, 62, 59, 83, 67, 66, 65 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Seemingly the inversion maintains the characteristics of being an "infinite braid".`
	LINKS	`Ferenc Adorjan, Table of n,a(n) for n=1..10000`
	PROGRAM	`(PARI) {pinverse(v)= /* Permutation inverse of a positive sequence */` `local(n, m, x); n=matsize(v)[2]; x=vector(n);` `for(i=1, n, if(v[i]<=n, x[v[i]]=i)); return(x)}` `pinverse(A128754)`
	CROSSREFS	`Inverse of A128754, Cf. A128756, A128757.` `Sequence in context: A086724 A093720 A126625 this_sequence A088367 A021565 A011103` `Adjacent sequences: A128752 A128753 A128754 this_sequence A128756 A128757 A128758`
	KEYWORD	`nonn`
	AUTHOR	`Ferenc Adorjan (fadorjan(AT)freemail.hu or ferencadorjan(AT)gmail.com), Mar 24 2007`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research