|
| |
|
|
A099927
|
|
Pellonomial triangle P(k,n) read by rows.
|
|
9
| |
|
|
1, 1, 1, 1, 2, 1, 1, 5, 5, 1, 1, 12, 30, 12, 1, 1, 29, 174, 174, 29, 1, 1, 70, 1015, 2436, 1015, 70, 1, 1, 169, 5915, 34307, 34307, 5915, 169, 1, 1, 408, 34476, 482664, 1166438, 482664, 34476, 408, 1, 1, 985, 200940, 6791772, 39618670, 39618670
(list; table; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,5
|
|
|
COMMENTS
| Also (signed) coefficients of solutions to 0 = Sum[i=0..k+1, x(i)*Pell(m+i)^k ].
|
|
|
FORMULA
| P(k, n) = Prod[i=k-n+1..k, Pell(i)] / Prod[i=1..n, Pell(i)], with Pell(n) = A000129(n).
|
|
|
CROSSREFS
| Columns include A000129, A084158, A099930, A099931.
Row sums are in A099928. Central column is in A099929.
Cf. A010048.
Sequence in context: A008518 A139332 A176420 * A187617 A128612 A060854
Adjacent sequences: A099924 A099925 A099926 * A099928 A099929 A099930
|
|
|
KEYWORD
| nonn,tabl
|
|
|
AUTHOR
| Ralf Stephan, Nov 03 2004
|
| |
|
|