A182980 Version "mirror" of the shell model of partitions of A135010. Triangle read by rows: row n lists the parts of the last section of the set of partitions of n.

1, 1, 2, 1, 1, 3, 1, 1, 1, 4, 2, 2, 1, 1, 1, 1, 1, 2, 3, 5, 1, 1, 1, 1, 1, 1, 1, 6, 3, 3, 2, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 5, 3, 4, 7, 8, 4, 4, 3, 5, 2, 6, 2, 3, 3, 2, 2, 4, 2, 2, 2, 2

Offset

1,3

Comments

In n is odd then row n lists the numbers of row n of A135010. If n is even the row n lists the 1's of row n of A135010 and then row n lists the other numbers of row n of A135010 in reverse order.

Links

Table of n, a(n) for n=1..71.

Example

Triangle begins:
1,
1, 2,
1, 1, 3,
1, 1, 1, 4, 2, 2,
1, 1, 1, 1, 1, 2, 3, 5,
1, 1, 1, 1, 1, 1, 1, 6, 3, 3, 2, 4, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 2, 5, 3, 4, 7,

Crossrefs

Cf. A135010, A141285, A182742, A182743, A182982, A182983, A182985.

Sequence in context: A164823 A167269 A105535 * A244051 A207974 A239454

Adjacent sequences: A182977 A182978 A182979 * A182981 A182982 A182983

Keyword

nonn,tabf

Author

Omar E. Pol, Feb 02 2011

Status

approved