[seqfan] Yellow commas
Eric.Angelini at kntv.be
Sun Nov 27 11:22:13 CET 2011
color in yellow the commas following
an odd term:
The quantity of digits between yellow
commas is given by the sequence itself.
This is a permutation of the Naturals
and the lexicographically first such seq.
The equivalent seq for even numbers
is left as an exercize for the young readers ;-)
Envoyé d'un iPhone
More information about the SeqFan