A211699 Number of nonnegative integer arrays of length n+2*7-2 with new values introduced in order 0 upwards and every value appearing only in runs of at least 7

1, 2, 3, 4, 5, 6, 7, 8, 11, 16, 23, 32, 43, 56, 71, 93, 127, 178, 251, 351, 483, 652, 878, 1196, 1656, 2323, 3277, 4613, 6441, 8938, 12400, 17294, 24310, 34413, 48895, 69427, 98314, 138953, 196494, 278704, 397034, 567889, 814101, 1167482, 1673334, 2397793

Offset

1,2

Comments

Column 7 of A211700

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

All solutions for n=5
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....0....0
..0....0....0....1....0
..0....0....0....1....1
..0....1....0....1....1
..0....1....1....1....1
..0....1....1....1....1
..0....1....1....1....1
..0....1....1....1....1
..0....1....1....1....1
..0....1....1....1....1
..0....1....1....1....1

Crossrefs

Sequence in context: A298434 A200371 A246025 * A118600 A080543 A285916

Adjacent sequences: A211696 A211697 A211698 * A211700 A211701 A211702

Keyword

nonn

Author

R. H. Hardin Apr 19 2012

Status

approved