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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A153288 A triangular sequence designed with row sums 2*3^n with first column A064263. 0

%I

%S 2,3,3,2,14,2,2,25,25,2,2,36,86,36,2,2,47,194,194,47,2,2,58,302,734,

%T 302,58,2,2,69,410,1706,1706,410,69,2,2,80,518,3390,5142,3390,518,80,2

%N A triangular sequence designed with row sums 2*3^n with first column A064263.

%C Row sums are:

%C {2, 6, 18, 54, 162, 486., 1458, 4374., 13122,...}.

%C Sequence was calculated to the 3^n level by hand.

%e {2},

%e {3, 3},

%e {2, 14, 2},

%e {2, 25, 25, 2},

%e {2, 36, 86, 36, 2},

%e {2, 47, 194, 194, 47, 2},

%e {2, 58, 302, 734, 302, 58, 2},

%e {2, 69, 410, 1706, 1706, 410, 69, 2},

%e {2, 80, 518, 3390, 5142, 3390, 518, 80, 2}

%t (* first column : A064263*)

%t b = {{2}, {3, 3}, {2, 14, 2}, {2, 25, 25, 2}, {2, 36, 86, 36, 2},

%t {2, 47, 194, 194, 47, 2}, {2, 58, 302, 734, 302, 58, 2},

%t {2, 69, 410, 1706, 1706, 410, 69, 2}, {2, 80, 518, 3390, 5142, 3390, 518, 80, 2}}

%t Flatten[b]

%Y A064263

%K nonn,tabl

%O 0,1

%A _Roger L. Bagula_, Dec 23 2008

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 June 25 00:34 EDT 2021. Contains 345445 sequences. (Running on oeis4.)