A316851 Consider integer triangles as listed in rows of table A316841. Sequence gives perimeters of these triangles in the same order.

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

Author

N. J. A. Sloane, Jul 23 2018

Keywords

• nonn
• look

Comments

Every number appears except 1, 2, and 4.

Links

• Lars Blomberg, Table of n, a(n) for n = 1..3000

Crossrefs

Cf. A316841, A316842, A316852.

a(n) = A316843(n)+A316844(n)+A316845(n).