[seqfan] Sequences related to A047999 ( Sierpinski triangle)

[Jeremy Gardiner]

Probably already familiar to most people on the list, still maybe 'nice'
enough to be worth posting:

Starting 1,0,0,0,... Form partial sums mod k and repeat.

Files for k=2,3,5

http://www.jeremy.gardiner.btinternet.co.uk/maths/psum2.pdf
http://www.jeremy.gardiner.btinternet.co.uk/maths/psum3.pdf
http://www.jeremy.gardiner.btinternet.co.uk/maths/psum5.pdf

Also text versions and generating program in BASIC

http://www.jeremy.gardiner.btinternet.co.uk/maths/psum2.txt
http://www.jeremy.gardiner.btinternet.co.uk/maths/psum3.txt
http://www.jeremy.gardiner.btinternet.co.uk/maths/psum5.txt

http://www.jeremy.gardiner.btinternet.co.uk/maths/psums.bas

Perhaps these or something like them are candidates for a "core" set of
sequences, as suggested recently by Charles Greathouse (at least for
periodic sequences)?

Jeremy