A182858 Irregular table: Row n is the list of positive exponents in the canonical prime factorization of A182857(n), sorted in descending order, or 0 if there are no such exponents.

0, 1, 2, 1, 1, 2, 1, 2, 1, 1, 3, 2, 1, 1, 4, 3, 2, 2, 1, 1, 1, 7, 6, 5, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 14, 13, 12, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 42, 41, 40, 39, 38, 37, 36, 35, 35, 34, 34, 33, 33, 32, 32, 31, 31

Offset: 0

Author

Matthew Vandermast, Jan 05 2011

Keywords

• nonn
• tabf

Comments

Length of row 0 = length of row 1 = 1; for n > 1, length of row n = A011784(n-1).

For n > 2, row n = row (n-2) of A012257, reversed.

Examples

			Table begins:
0,
1,
2,
1,1,
2,1,
2,1,1,
3,2,1,1,...
		

Crossrefs

Cf. A181819, A182850.