login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A280470 Triangle A106534 with reversed rows. 1
1, 1, 2, 2, 3, 5, 5, 7, 10, 15, 14, 19, 26, 36, 51, 42, 56, 75, 101, 137, 188, 132, 174, 230, 305, 406, 543, 731, 429, 561, 735, 965, 1270, 1676, 2219, 2950, 1430, 1859, 2420, 3155, 4120, 5390, 7066, 9285, 12235, 4862, 6292, 8151, 10571, 13726, 17846, 23236, 30302, 39587, 51822, 16796, 21658, 27950, 36101, 46672 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
P. Barry, A. Hennessy, The Euler-Seidel Matrix, Hankel Matrices and Moment Sequences, J. Int. Seq. 13 (2010) # 10.8.2, page 5
A. Cvetkovi, Predrag Rajkovic, and Milos IvkoviCatalan Numbers, the Hankel Transform, and Fibonacci Numbers, Journal of Integer Sequences, Vol. 5 (2002), Article 02.1.3.
FORMULA
T(n,k) = Sum_{j=0..k} binomial(k,j) * A000108(n-j). - Joerg Arndt, Jan 15 2017
EXAMPLE
Fibonacci Determinant Triangle:
1;
1, 2;
2, 3, 5;
5, 7, 10, 15;
14, 19, 26, 36, 51;
42, 56, 75, 101, 137, 188;
132, 174, 230, 305, 406, 543, 731;
429, 561, 735, 965, 1270, 1676, 2219, 2950;
...
MATHEMATICA
Table[Sum[Binomial[k, j] CatalanNumber[n - j], {j, 0, k}], {n, 0, 10}, {k, 0, n}] // Flatten (* Michael De Vlieger, Mar 08 2017 *)
PROG
(PARI) C(n)=binomial(2*n, n)/(n+1);
T(n, k)=sum(j=0, k, binomial(k, j)*C(n-j));
for(n=0, 10, for(k=0, n, print1(T(n, k), ", ")); print()); \\ Joerg Arndt, Jan 15 2017
(Magma) &cat [[&+[Binomial(k, j)*Catalan(n-j): j in [0..k]]: k in [0..n]]: n in [0..10]]; // Bruno Berselli, Mar 07 2017
CROSSREFS
Sequence in context: A318683 A028364 A239482 * A011971 A060048 A110699
KEYWORD
nonn,tabl
AUTHOR
Tony Foster III, Jan 03 2017
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 23 16:40 EDT 2024. Contains 371916 sequences. (Running on oeis4.)