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A316852 Consider primitive integer triangles as listed in rows of table A316842. Sequence gives perimeters of these triangles in the same order. 4
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

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).

Sequence in context: A254935 A104199 A103470 * A307120 A261010 A064002

Adjacent sequences:  A316849 A316850 A316851 * A316853 A316854 A316855

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 23 2018

EXTENSIONS

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

STATUS

approved

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Last modified July 11 05:49 EDT 2020. Contains 335609 sequences. (Running on oeis4.)