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A136791 Triangle read by rows: (2 * A011971) - A000012. 1
1, 1, 3, 3, 5, 9, 9, 13, 19, 29, 29, 39, 53, 73, 103, 103, 133, 173, 227, 301, 405, 405, 509, 643, 817, 1045, 1347, 1753, 1753, 2159, 2669, 3313, 4131, 5177, 6525, 8279, 8279, 100033, 12193, 14863, 18177, 22309, 27487, 34013, 42293, 42293, 50573, 60607 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Right border = A060719: (1, 3, 9, 29, 103,...). Row sums = A136792.

LINKS

Table of n, a(n) for n=0..47.

FORMULA

(2 * A011971) - A000012, where A011971 = Aitken's triangle. Given Aitken's triangle, add 1 immediately after every addition operation. Rightmost term in (n-1)-th row becomes leftmost term in n-th row.

EXAMPLE

First few rows of the triangle are:

1;

1, 3;

3, 5, 9;

9, 13, 19, 29;

29, 39, 53, 73, 103;

103, 133, 173, 227, 301, 405;

...

CROSSREFS

Cf. A011971, A136792, A060719.

Sequence in context: A141584 A287195 A179437 * A213933 A091916 A102437

Adjacent sequences:  A136788 A136789 A136790 * A136792 A136793 A136794

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, Jan 21 2008

STATUS

approved

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Last modified January 25 17:14 EST 2020. Contains 331245 sequences. (Running on oeis4.)