

A172049


Irregular triangle T(n,k) = 2k1 with A008794(n+2) values in row n.


0



1, 1, 1, 3, 5, 7, 1, 3, 5, 7, 1, 3, 5, 7, 9, 11, 13, 15, 17, 1, 3, 5, 7, 9, 11, 13, 15, 17, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43
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OFFSET

1,4


COMMENTS

These are the values A172002(2*n)A172002(2*n1) arranged in a table by adding line breaks.
The last (and largest) numbers in the lines are in A056220(floor(n+1)/2).


LINKS

Table of n, a(n) for n=1..82.


EXAMPLE

1;
1;
1, 3, 5, 7;
1, 3, 5, 7;
1, 3, 5, 7, 9, 11, 13, 15, 17;
1, 3, 5, 7, 9, 11, 13, 15, 17;
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31;
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31;
1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43,...


CROSSREFS

Cf. A158405.
Sequence in context: A133069 A192327 A266295 * A021032 A212120 A128059
Adjacent sequences: A172046 A172047 A172048 * A172050 A172051 A172052


KEYWORD

nonn,easy,tabf


AUTHOR

Paul Curtz, Jan 24 2010


STATUS

approved



