A014630 - OEIS

A014630

Distinct elements occurring in triangle of Eulerian numbers (unsorted).

1, 4, 11, 26, 66, 57, 302, 120, 1191, 2416, 247, 4293, 15619, 502, 14608, 88234, 156190, 1013, 47840, 455192, 1310354, 2036, 152637, 2203488, 9738114, 15724248, 4083, 478271, 10187685, 66318474, 162512286, 8178, 1479726, 45533450, 423281535, 1505621508, 2275172004

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

It appears that no term other than 1 appears on different rows of A008292. If so, row n contains floor((n-1)/2) terms for n >= 2. - Pontus von Brömssen, Jul 20 2024

LINKS

Table of n, a(n) for n=1..37.

EXAMPLE

As an irregular triangle:

n\k| 1 2 3 4 5 6

----+-----------------------------------------------------------

1 | 1

2 | (no terms)

3 | 4

4 | 11

5 | 26 66

6 | 57 302