A129679 -id:A129679 - cp's OEIS frontend

A129680 Distance sequence of A129676: A129676(n)-n.

2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 1, -2, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 1, -2, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 1, -2, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 1, -2, 2, -1, 2

Offset: 1

Ferenc Adorjan (fadorjan(AT)freemail.hu or ferencadorjan(AT)gmail.com), May 01 2007

sign

The numbers in this sequence seem to be in range [-6,2], but they are never -3 nor -5 (tested up to 10^4). The relative density of the values {-6,-4,-2,-1,0,1,2} asymptotically is {1,2,1,4,4,4,8}.

Michael De Vlieger, Table of n, a(n) for n = 1..10000
Jean-François Fortin, Wen-Jie Ma, Witold Skiba, Seven-Point Conformal Blocks in the Extended Snowflake Channel and Beyond, arXiv:2006.13964 [hep-th], 2020.

Distance of A129676, Cf. A129678, A129679, A129681 and A000069.

A129675 Inverse permutation to A129674.

Original entry on oeis.org

3, 2, 1, 5, 7, 4, 6, 9, 15, 8, 11, 10, 12, 14, 13, 17, 21, 16, 19, 18, 20, 23, 27, 22, 24, 26, 25, 29, 31, 28, 30, 33, 37, 32, 35, 34, 36, 39, 43, 38, 40, 42, 41, 45, 51, 44, 47, 46, 48, 50, 49, 53, 55, 52, 54, 57, 63, 56, 59, 58, 60, 62, 61, 65, 69, 64, 67, 66, 68, 71, 75, 70

Offset: 1

Ferenc Adorjan (fadorjan(AT)freemail.hu or ferencadorjan(AT)gmail.com), May 01 2007

The inversion maintains the cyclic characteristics as described in A129674.

Inverse of A129674, Cf. A128754, A128755, A129679 and A001969.

{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)}
a=pinverse(A129674)

A129678 Distance sequence of A129674: A129674(n)-n.

Original entry on oeis.org

2, 0, -2, 2, -1, 1, -2, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 1, -2, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 1, -2, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4, 2, -1, 2, 0, 1, 2, 0, -6, 2, -1, 1, -2, 2, -1, 2, 0, 1, -4, 2, -1, 1, 2, 0, -4

Offset: 1

Ferenc Adorjan (fadorjan(AT)freemail.hu or ferencadorjan(AT)gmail.com), May 01 2007

sign

The numbers in this sequence are in the range of [ -6,2], but they are never -3 nor -5 (tested up to 10^4). The relative density of the values {-6,-4,-2,-1,0,1,2} asymptotically is {1,2,1,4,4,4,8}.

Distance of A129674, Cf. A129679, A129680, A129681 and A001969.

A129681 Distance sequence of A129677: A129677(n)-n.

Original entry on oeis.org

1, 4, -2, 0, -2, -1, 1, 4, -2, -1, 0, -2, 1, 6, -2, 0, -2, -1, 0, -2, 1, 2, -2, -1, 1, 4, -2, 0, -2, -1, 1, 4, -2, -1, 0, -2, 1, 2, -2, -1, 1, 6, -2, 0, -2, -1, 0, -2, 1, 4, -2, 0, -2, -1, 1, 4, -2, -1, 0, -2, 1, 6, -2, 0, -2, -1, 0, -2, 1, 2, -2, -1, 1, 6, -2, 0, -2, -1, 0, -2, 1, 4, -2, 0, -2, -1, 1, 4, -2, -1, 0, -2, 1, 2, -2, -1, 1, 4, -2

Offset: 1

Ferenc Adorjan (fadorjan(AT)freemail.hu or ferencadorjan(AT)gmail.com), May 01 2007

sign

The numbers in this sequence seem to be in the range of [ -2,6], but they are never 3 nor 5 (tested up to 10^4). The relative density of the values {-2,-1,0,1,2,4,6} asymptotically is {8,4,4,4,1,2,1}.

Distance of A129677, Cf. A129678, A129679, A129680 and A000069.

cp's OEIS Frontend

A129680 Distance sequence of A129676: A129676(n)-n.

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A129675 Inverse permutation to A129674.

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PARI

A129678 Distance sequence of A129674: A129674(n)-n.

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A129681 Distance sequence of A129677: A129677(n)-n.

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