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Number of symbols in Babylonian numeral representation of n.
3

%I #26 Jun 14 2022 07:00:40

%S 1,2,3,4,5,6,7,8,9,1,2,3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,11,3,4,5,6,

%T 7,8,9,10,11,12,4,5,6,7,8,9,10,11,12,13,5,6,7,8,9,10,11,12,13,14,1,2,

%U 3,4,5,6,7,8,9,10,2,3,4,5,6,7,8,9,10,11,3,4

%N Number of symbols in Babylonian numeral representation of n.

%C From _Wolfdieter Lang_, Feb 21 2017: (Start)

%C For a(1)..a(59) this sequence coincides with A007953.

%C For the sexagesimal - decimal representation of n see A055643.

%C The values of the positions is given in A281863.

%C The sum of the digits of A055643(n) = a(n).

%C The number of digits of the representation of n is given in A282622. (End)

%H Wolfdieter Lang, <a href="/A131650/b131650.txt">Table of n, a(n) for n = 1..10000</a>

%H University of St Andrews, <a href="https://mathshistory.st-andrews.ac.uk/HistTopics/Babylonian_numerals/">Babylonian numerals</a>.

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Babylonian_numerals">Babylonian numerals</a>.

%H Yale Babylonian Collection, <a href="http://www.math.ubc.ca/%7Ecass/Euclid/ybc/ybc.html">High resolution photographs, descriptions and analysis of the root(2) tablet (YBC 7289)</a>.

%Y Cf. A006968, A007953, A055643, A281863, A282622.

%K nonn,base,easy

%O 1,2

%A Alain Van Kerckhoven (alain(AT)avk.org), Sep 10 2007

%E More terms from _Michel Marcus_, Jul 12 2013

%E Terms a(60)-a(81) from _Wolfdieter Lang_, Feb 21 2017 (to distinguish it from A007953)