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

Offset: 1

Author

Mohammad K. Azarian

Keywords

• nonn
• tabf
• easy

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

Examples

			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
   7  |   120    1191      2416
   8  |   247    4293     15619
   9  |   502   14608     88234     156190
  10  |  1013   47840    455192    1310354
  11  |  2036  152637   2203488    9738114    15724248
  12  |  4083  478271  10187685   66318474   162512286
  13  |  8178 1479726  45533450  423281535  1505621508  2275172004
  14  | 16369 4537314 198410786 2571742175 12843262863 27971176092
		

Crossrefs

Cf. A008292, A030196.

Extensions

More terms from James Sellers