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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 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 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). Sequence in context: A305443 A122818 A070083 * A196778 A195770 A196008 Adjacent sequences:  A316848 A316849 A316850 * A316852 A316853 A316854 KEYWORD nonn,look AUTHOR N. J. A. Sloane, Jul 23 2018 STATUS approved

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Last modified August 14 01:55 EDT 2020. Contains 336476 sequences. (Running on oeis4.)