A194436 Triangle read by rows: T(n,k) = number of parts in the k-th region of n.

1, 1, 2, 1, 2, 3, 1, 2, 3, 1, 5, 1, 2, 3, 1, 5, 1, 7, 1, 2, 3, 1, 5, 1, 7, 1, 2, 1, 11, 1, 2, 3, 1, 5, 1, 7, 1, 2, 1, 11, 1, 2, 1, 15, 1, 2, 3, 1, 5, 1, 7, 1, 2, 1, 11, 1, 2, 1, 15, 1, 2, 1, 4, 1, 1, 22, 1, 2, 3, 1, 5, 1, 7, 1, 2, 1, 11, 1, 2, 1, 15

Offset

1,3

Links

Table of n, a(n) for n=1..81.

Example

Triangle begins:
1;
1,2;
1,2,3;
1,2,3,1,5;
1,2,3,1,5,1,7;
1,2,3,1,5,1,7,1,2,1,11;
1,2,3,1,5,1,7,1,2,1,11,1,2,1,15;
1,2,3,1,5,1,7,1,2,1,11,1,2,1,15,1,2,1,4,1,1,22;
...
Row n has length A000041(n). Row sums give A006128, n >= 1. Right border gives A000041, n >= 1. Records in every row give A000041, n >= 1. Rows converge to A194446.

Crossrefs

Cf. A000041, A006128, A135010, A138121, A186114, A186412, A193870, A194437, A194438, A194439, A194446, A194447.

Sequence in context: A128117 A373212 A023115 * A061336 A057945 A374438

Adjacent sequences: A194433 A194434 A194435 * A194437 A194438 A194439

Keyword

nonn,tabf

Author

Omar E. Pol, Nov 27 2011

Status

approved