A131650 Number of symbols in Babylonian numeral representation of n.

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

Offset: 1

Author

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

Keywords

• nonn
• base
• easy

Comments

From Wolfdieter Lang, Feb 21 2017: (Start)

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

For the sexagesimal - decimal representation of n see A055643.

The values of the positions is given in A281863.

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

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

Links

• Wolfdieter Lang, Table of n, a(n) for n = 1..10000
• University of St Andrews, Babylonian numerals.
• Wikipedia, Babylonian numerals.
• Yale Babylonian Collection, High resolution photographs, descriptions and analysis of the root(2) tablet (YBC 7289).

Crossrefs

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

Extensions

More terms from Michel Marcus, Jul 12 2013

Terms a(60)-a(81) from Wolfdieter Lang, Feb 21 2017 (to distinguish it from A007953)