A226621 Irregular array read by rows in which a(n) is the number of primitive '3x+k' cycles associated with A226619(n).

1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 3, 1, 1, 1, 3, 1, 5, 5, 2, 1, 1, 3, 7, 1, 2, 5, 7, 3, 1, 1, 4, 8, 1, 1, 14, 14, 8, 4, 1, 1, 3, 12, 1, 6, 2, 1, 1, 14, 23, 20, 12, 2, 1, 1, 5, 15, 29, 1, 1, 1, 2, 5, 5, 42, 34, 25, 14, 5, 1, 1, 5, 16, 28, 2, 9, 1, 1, 1

Offset

1,10

Comments

The terms in row n are associated with cycles of length n (see A226619).

Links

Geoffrey H. Morley, Rows 1..26 of array, flattened

Example

The irregular array starts:
1, 1;
1;
1, 1;
1, 1, 1;
1, 2, 2, 1;
1, 2, 1, 3, 1, 1; ...

Crossrefs

Cf. A226620.

Sequence in context: A319443 A130633 A266499 * A112933 A270650 A088427

Adjacent sequences: A226618 A226619 A226620 * A226622 A226623 A226624

Keyword

nonn,tabf

Author

Geoffrey H. Morley, Jul 02 2013

Status

approved