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
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