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A316851
Consider integer triangles as listed in rows of table A316841. Sequence gives perimeters of these triangles in the same order.
5
3, 5, 6, 7, 7, 8, 9, 9, 10, 9, 10, 11, 12, 11, 11, 12, 13, 11, 12, 13, 14, 15, 13, 14, 13, 14, 15, 16, 13, 14, 15, 16, 17, 18, 15, 15, 16, 17, 15, 16, 17, 18, 19, 15, 16, 17, 18, 19, 20, 21, 17, 18, 17, 18, 19, 20, 17, 18, 19, 20, 21, 22, 17, 18, 19, 20, 21, 22, 23, 24
OFFSET
1,1
COMMENTS
Every number appears except 1, 2, and 4.
LINKS
CROSSREFS
a(n) = A316843(n)+A316844(n)+A316845(n).
Sequence in context: A362074 A122818 A070083 * A358470 A196778 A195770
KEYWORD
nonn,look
AUTHOR
N. J. A. Sloane, Jul 23 2018
STATUS
approved