|
| |
|
|
A063176
|
|
Composites for which the row of the prime-composite array (A063173) includes the leftmost element of both a zero-only antidiagonal and a zero-only diagonal(A067681).
|
|
4
| |
|
|
15, 21, 51, 99, 249, 309, 339, 441, 615, 1065, 1071, 1275, 1311, 1461, 1665, 1719, 1935, 2445, 2451, 2499, 2511, 2781, 2829, 2949, 3015, 3129, 3435, 3759, 3789, 3795, 3819, 3939, 4161, 4221, 4761, 4809, 5709, 5721, 6291, 6555, 6699, 6855, 6921, 7071
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
LINKS
| N. Fernandez, The prime-composite array, B(m,n) and the Borve conjectures
|
|
|
EXAMPLE
| The 12th composite is 21. In the prime-composite array (A063173), all of the elements in the antidiagonal containing T(12,1) are 0 and so are all the elements of the diagonal containing T(12,1). So 21 is in the sequence.
|
|
|
CROSSREFS
| Cf. A063173, A063174, A063175, A067681.
Sequence in context: A171569 A129752 A015831 * A083372 A119101 A190662
Adjacent sequences: A063173 A063174 A063175 * A063177 A063178 A063179
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. Fernandez (primeness(AT)borve.org), Jul 09 2001
|
|
|
EXTENSIONS
| Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Feb 07 2002
|
| |
|
|
