A051486 Triangle T(n,k) = number of symmetric Boolean functions of n variables and rank from 0 to 2^n.

1, 1, 1, 2, 1, 1, 2, 2, 2, 1, 1, 2, 1, 2, 4, 2, 1, 2, 1, 1, 2, 1, 0, 2, 4, 3, 2, 2, 2, 3, 4, 2, 0, 1, 2, 1, 1, 2, 1, 0, 0, 2, 4, 2, 0, 0, 3, 6, 3, 0, 0, 4, 8, 4, 0, 0, 3, 6, 3, 0, 0, 2, 4, 2, 0, 0, 1, 2, 1, 1, 2, 1, 0, 0, 0, 2, 4, 2, 0, 0, 0, 1, 2, 1, 2, 4, 2, 0, 0, 1, 6, 9, 4, 0, 0, 2, 6, 6, 2

Offset

0,4

Links

Table of n, a(n) for n=0..98.

Index entries for sequences related to Boolean functions

Example

[1, 1], [1, 2, 1], [1, 2, 2, 2, 1], [1, 2, 1, 2, 4, 2, 1, 2, 1], ...

Crossrefs

Row sums give A011782.

Sequence in context: A341694 A255337 A026465 * A218541 A213911 A081355

Adjacent sequences: A051483 A051484 A051485 * A051487 A051488 A051489

Keyword

nonn,tabf,nice

Author

Vladeta Jovovic

Status

approved