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A343167 Sum of columns 1, 2, and 3 of triangle in A343168. 1
1, 1, 2, 5, 10, 33, 104, 402, 1631 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Cf. A343463, A343464, A343162-A343168.

Sequence in context: A018386 A270521 A089073 * A138190 A056300 A326006

Adjacent sequences:  A343164 A343165 A343166 * A343168 A343169 A343170

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 19 2021, based on an email from Don Knuth

STATUS

approved

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Last modified July 23 12:19 EDT 2021. Contains 346259 sequences. (Running on oeis4.)