A393935 a(n) is the number of points that have been added when n collinear points first appear in the path defined in A393932.

1, 2, 5, 10, 14, 29, 40, 47, 184, 191, 422, 640, 689, 1107, 2512, 3125, 3737, 3754, 5330, 5336, 5394, 5473, 12014, 12577, 12707, 30828, 30844, 35755, 35761, 39624, 39686, 39690, 40584, 40977, 41039, 41055

Offset

1,2

Links

Table of n, a(n) for n=1..36.

Pontus von Brömssen, The first lines with 2-8 collinear points.

Formula

a(n) <= A380991(n-1)+1 for n >= 2.

a(n) <= A231255(n)+1. - Pontus von Brömssen, May 05 2026

Crossrefs

Cf. A231255, A380991, A381111, A393932, A393936, A393937.

Sequence in context: A352189 A101725 A274453 * A105370 A173694 A190459

Adjacent sequences: A393932 A393933 A393934 * A393936 A393937 A393938

Keyword

nonn,more

Author

Pontus von Brömssen, Mar 04 2026

Status

approved