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

Author

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

Keywords

• sign

Comments

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}.

Links

• 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.

Crossrefs

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