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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

%I

%S 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,

%T 15,16,17,15,16,17,18,19,15,16,17,18,19,20,17,18,17,19,17,18,19,20,21,

%U 22,17,19,21,23,19,19,20,19,20,21,22,23,19,20,21,22,23,24

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

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

%H Lars Blomberg, <a href="/A316852/b316852.txt">Table of n, a(n) for n = 1..3000</a>

%Y Cf. A316841, A316842, A316851.

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

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Jul 23 2018

%E Terms a(54) and beyond from _Lars Blomberg_, Jul 27 2018

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Last modified August 13 05:41 EDT 2020. Contains 336442 sequences. (Running on oeis4.)