A172049 - OEIS

A172049

Irregular triangle T(n,k) = 2k-1 with A008794(n+2) values in row n.

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*n-1) 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, 3, 5, 7;

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;