0,1

The first digits sums are given in A119945.

Umlaute are taken as ``ae'' (not appearing), ``oe'', ``ue'' and ``sz'' (scharp s) (like in the German name for ``30'') as ``ss'' (not "sz").

Table of n, a(n) for n=0..80.

``Null'' in German for the number 0 has first digit sum

59=A119945(0). Therefore the next digit sum becomes 5+9=14 and finally

1+4=5, hence a(0)=5.

Sequence in context: A019841 A064582 A197374 * A276610 A065270 A065282

Adjacent sequences: A119943 A119944 A119945 * A119947 A119948 A119949

nonn,easy,word,base

Wolfdieter Lang, Jul 20 2006

approved