A007338 Multiplicative encoding of the Eulerian number triangle. (Formerly M1726)

2, 2, 6, 810, 121096582031250, 7114504036033012131698570347034029677643282574273086993343895301222801208496093750

Offset

0,1

References

R. L. Graham, D. E. Knuth and O. Patashnik, Concrete Mathematics. Addison-Wesley, Reading, MA, 1990, p. 254.

J. Riordan, An Introduction to Combinatorial Analysis, Wiley, 1958, p. 125.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Alois P. Heinz, Table of n, a(n) for n = 0..6

N. J. A. Sloane, An on-line version of the Encyclopedia of Integer Sequences, Electronic J. Combinatorics, Vol. 1, no. 1, 1994.

Maple

a:= n-> mul(ithprime(k+1)^combinat[eulerian1](n, k), k=0..n):
seq(a(n), n=0..5);  # Alois P. Heinz, Jul 26 2017

Crossrefs

Cf. A173018.

Sequence in context: A181265 A093909 A114362 * A164325 A198880 A201315

Adjacent sequences: A007335 A007336 A007337 * A007339 A007340 A007341

Keyword

nonn

Author

N. J. A. Sloane.

Extensions

Last term corrected Mar 15 1997 by Olivier Gérard.

a(0)=2 prepended by Alois P. Heinz, Jul 26 2017

Status

approved