A382191 Number of edges of the graph with code A076184(n).

0, 1, 2, 3, 3, 2, 3, 4, 4, 5, 6, 4, 3, 4, 5, 4, 5, 5, 6, 4, 5, 6, 7, 6, 7, 6, 5, 6, 7, 7, 8, 8, 9, 10, 5, 4, 5, 6, 4, 5, 5, 6, 6, 7, 5, 6, 7, 8, 6, 7, 3, 4, 5, 6, 5, 6, 5, 6, 6, 7, 7, 8, 7, 8, 7, 6, 7, 8, 6, 7, 7, 8, 8, 9, 5, 6, 7, 6, 7, 8, 7, 8, 7, 8, 9, 9, 8

Offset

1,3

Links

Table of n, a(n) for n=1..87.

Formula

a(n) = A000120(A076184(n)).

Example

As an irregular triangle, where the first row contains 1 term and row n >= 2 contains A002494(n) terms:
  0;
  1;
  2, 3;
  3, 2, 3, 4, 4, 5, 6;
  4, 3, 4, 5, 4, 5, 5, 6, 4, 5, 6, 7, 6, 7, 6, 5, 6, 7, 7, 8, 8, 9, 10;
  ...

Crossrefs

Cf. A000120, A002494, A076184.

Sequence in context: A248222 A107918 A242392 * A002963 A046677 A382871

Adjacent sequences: A382188 A382189 A382190 * A382192 A382193 A382194

Keyword

nonn,tabf

Author

Pontus von Brömssen, Mar 18 2025

Status

approved