A220659 Irregular table: row n (n >= 1) consists of numbers 0..A084558(n).

0, 0, 1, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3

Offset

0,6

Comments

The term a(n) gives the position (zero-based, starting from the left hand end of permutation) of a corresponding permutation A055089 and A060117/A060118 from which the term A055089(n) or A060118(n) is to be picked.

Links

A. Karttunen, Rows 0..720 of the irregular table, flattened.

Formula

a(n) = n - A220657(A220658(n)).

Example

Rows of this irregular table begin as:
0;
0, 1;
0, 1, 2;
0, 1, 2;
0, 1, 2;
0, 1, 2;
0, 1, 2, 3;
The term 2 occurs four times in A084558, in positions 2, 3, 4 and 5. Thus rows 2, 3, 4 and 5 (zero-based) of this irregular table are all 0,1,2.

Prog

(Scheme): (define (A220659 n) (- n (A220657 (A220658 n))))

Crossrefs

Sequence in context: A308009 A010872 A220663 * A025858 A237451 A215592

Adjacent sequences: A220656 A220657 A220658 * A220660 A220661 A220662

Keyword

nonn,tabf

Author

Antti Karttunen, Dec 18 2012

Status

approved