OFFSET
0,2
LINKS
Steve Butler, R. L. Graham & Nan Zang, Jumping Sequences, Journal of Integer Sequences, Vol. 11, 2008, 08.4.5.
EXAMPLE
First few rows of the triangle =
1;
2, 1;
3, 2, 3;
4, 3, 6, 9;
5, 4, 9, 18, 24;
6, 5, 12, 27, 48, 65;
7, 6, 15, 36, 72, 130, 177;
8, 7, 18, 45, 96, 195, 354, 481;
9, 8, 21, 54, 120, 260, 531, 962, 1308;
10, 9, 24, 63, 144, 325, 708, 1443, 2616, 3555;
...
Row 3 = (4, 3, 6, 9) = termwise products of (4, 3, 2, 1) and (1, 1, 3, 9);
where A153582 = (1, 1, 3, 9, 24, 65,...).
PROG
(PARI) tabl(nn) = {my(va = vector(nn), vc = vector(nn)); va[1] = 1; for (n=1, nn, if (n > 1, va[n] = round(exp(1)*va[n-1])); vc[n] = va[n] - sum(k=1, n-1, vc[k]*(n-k+1)); print(vector(n, k, vc[k]*(n-k+1))); ); } \\ Michel Marcus, Jan 28 2019
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Dec 28 2008
EXTENSIONS
More terms from Michel Marcus, Jan 28 2019
STATUS
approved