A144522 Sums of pairs of successive digits after the decimal point in the decimal expansion of 2^(1/2) = 1.41421356...

5, 6, 4, 11, 5, 10, 9, 5, 12, 8, 7, 16, 9, 6, 9, 15, 8, 15, 11, 15, 8, 15, 8, 13, 13, 8, 10, 8, 12, 16, 10, 16, 9, 10, 6, 15, 10, 3, 7, 3, 16, 5, 11, 12, 7, 5, 13, 5, 12, 9, 8, 1, 11, 10, 5, 9, 3, 11, 7, 6, 11, 12, 9, 5, 13, 5, 10, 9, 3, 10, 5, 3, 13, 7, 18, 12, 13, 4, 5, 5, 4, 12, 14, 9

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

4+1=5, 4+2=6, 1+3=4, etc.

Mathematica

Total/@Partition[Rest[RealDigits[Sqrt[2], 10, 171][[1]]], 2] (* Harvey P. Dale, Aug 19 2019 *)

Crossrefs

Cf. A002193.

Sequence in context: A021643 A021181 A082220 * A371763 A020504 A293009

Adjacent sequences: A144519 A144520 A144521 * A144523 A144524 A144525

Keyword

nonn,base

Author

Juri-Stepan Gerasimov, Dec 15 2008

Extensions

a(4) changed to 11 and extended by R. J. Mathar, Dec 19 2008

Edited by N. J. A. Sloane, Mar 30 2010

Status

approved