login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo

Please make a donation to keep the OEIS running. We are now in our 56th year. In the past year we added 10000 new sequences and reached almost 9000 citations (which often say "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A127246 Row sums of a Thue-Morse related triangle. 2
1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 2, 1, 1, 2, 3, 1, 1, 2, 1, 2, 3, 1, 1, 2, 3, 1, 2, 1, 1, 2, 1, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Row sums of A127247.

LINKS

Table of n, a(n) for n=0..50.

FORMULA

a(n)=sum{k=0..n, Product{j=0..n-k-1,A010060(n-j)}}

CROSSREFS

Sequence in context: A338263 A322874 A091654 * A106038 A078711 A338850

Adjacent sequences:  A127243 A127244 A127245 * A127247 A127248 A127249

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jan 10 2007

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 25 08:58 EST 2020. Contains 338623 sequences. (Running on oeis4.)