A316852 Consider primitive integer triangles as listed in rows of table A316842. Sequence gives perimeters of these triangles in the same order.

3, 5, 7, 7, 8, 9, 10, 9, 11, 11, 11, 12, 13, 11, 12, 13, 14, 13, 13, 14, 15, 16, 13, 17, 15, 15, 16, 17, 15, 16, 17, 18, 19, 15, 16, 17, 18, 19, 20, 17, 18, 17, 19, 17, 18, 19, 20, 21, 22, 17, 19, 21, 23, 19, 19, 20, 19, 20, 21, 22, 23, 19, 20, 21, 22, 23, 24

Offset: 1

Author

N. J. A. Sloane, Jul 23 2018

Keywords

• nonn

Comments

The only missing numbers are 1,2,4,6.

Links

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

Crossrefs

Cf. A316841, A316842, A316851.

a(n) = A316846(n)+A316847(n)+A316848(n).

Extensions

Terms a(54) and beyond from Lars Blomberg, Jul 27 2018