



2, 2, 2, 3, 2, 3, 4, 4, 4, 4, 7, 5, 8, 5, 7, 11, 11, 10, 10, 11, 11, 21, 16, 21, 12, 21, 16, 21, 36, 36, 28, 28, 28, 28, 36, 36, 71, 57, 64, 36, 56, 36, 64, 57, 71, 127, 127, 93, 93, 72, 72, 93, 93, 127, 127, 253, 211, 220, 130, 165, 90, 165, 130, 220, 211, 253
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OFFSET

0,1


LINKS

Table of n, a(n) for n=0..65.


FORMULA

Sum_{k, 0<=k<=n}T(n,k)=2^(n+1).


EXAMPLE

Triangle begins:
2;
2, 2;
3, 2, 3;
4, 4, 4, 4;
7, 5, 8, 5, 7;
11, 11, 10, 10, 11, 11;
21, 16, 21, 12, 21, 16, 21;
36, 36, 28, 28, 28, 28, 36, 36;
71, 57, 64, 36, 56, 36, 64, 57, 71;...


CROSSREFS

Sequence in context: A143976 A194296 A194336 * A025128 A058769 A194312
Adjacent sequences: A127156 A127157 A127158 * A127160 A127161 A127162


KEYWORD

nonn,tabl


AUTHOR

Philippe Deléham, Mar 25 2007


STATUS

approved



