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A108039 Replace each entry 2^i(2j+1) of the triangle in A008280 with i and replace 0's with *'s; then the entries n in the new triangle do not occur beyond diagonal a(n), measured from the left edge and taking the left edge to be diagonal number 1. 0
2, 4, 4, 4, 8, 8, 8, 8, 10, 12, 12, 16, 16, 16, 16, 16, 18, 20 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Sanjay Ramassamy, Modular periodicity of the Euler numbers and a sequence by Arnold, arXiv:1712.08666 [math.CO], 2017.
EXAMPLE
3's do not occur beyond the 4th diagonal, so a(3) = 4.
Triangle begins:
*
* 0
0 0 *
* 0 1 1
0 0 2 1 *
* 0 1 1 4 4
CROSSREFS
Cf. A008280.
Sequence in context: A225355 A117726 A172307 * A367013 A103228 A076340
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 01 2005
EXTENSIONS
Corrected and extended by Sanjay Ramassamy, Nov 03 2018
STATUS
approved

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Last modified March 19 02:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)