A343166 Sum of columns 1 and 2 of triangle in A343168.

1, 1, 2, 4, 9, 28, 86, 319, 1265

Offset

1,3

Links

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

Crossrefs

Cf. A343463, A343464, A343162-A343168.

Sequence in context: A332979 A176068 A296264 * A387690 A219665 A375632

Adjacent sequences: A343163 A343164 A343165 * A343167 A343168 A343169

Keyword

nonn,more

Author

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

Status

approved