cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

A251594 Dimension of space of invariant tensors in 2n-th tensor power of third fundamental representation of Sp(8).

Original entry on oeis.org

1, 1, 7, 240, 21720, 3371661, 753384764, 221280081152, 8057098267140, 34901583348508312, 17450751376913065040, 9843352171270598267648, 6153355867118768196316096, 4203420758907186950461719325, 3102284883642894954937435310820
Offset: 0

Views

Author

Bruce Westbury, Dec 05 2014

Keywords

Crossrefs

Programs

  • LiE
    p_tensor(2*n,[0,0,1,0],C4)|[0,0,0,0]

A251596 Dimension of space of invariant tensors in n-th tensor power of fourth fundamental representation of Sp(8).

Original entry on oeis.org

1, 0, 1, 0, 5, 1, 70, 106, 2380, 12398, 184359, 1830820, 25990371, 348029255, 531547931, 83340599734, 1395460803100, 24298184539132, 442299791441900, 8348538362127894, 163180897579795284
Offset: 0

Views

Author

Bruce Westbury, Dec 05 2014

Keywords

Crossrefs

Programs

  • LiE
    p_tensor(n,[0,0,0,1],C4)|[0,0,0,0]

A251598 Dimension of space of invariant tensors in 2n-th tensor power of natural representation of Sp(8).

Original entry on oeis.org

1, 1, 3, 15, 105, 944, 10340, 133055, 1958060, 32279090, 586453658, 11589971918, 246518371679, 5594169454700, 134456679614850, 3402014360391645, 90146180439817440, 2490533922180210720, 71468389947184389600, 2123114263550335500000
Offset: 0

Views

Author

Bruce Westbury, Dec 05 2014

Keywords

Crossrefs

Programs

  • LiE
    p_tensor(2*n,[1,0,0,0],C4)|[0,0,0,0]

Formula

0=256*(2*n-1)*(n-1)*(n+3)*(2*n-3)*a(n-2)-4*(2*n-1)*(10*n^3+137*n^2+521*n+432)*a(n-1)+(n+4)*(n+7)*(n+9)*(n+10)*a(n), (conjectured). - Michael D. Weiner, Apr 07 2016
Showing 1-3 of 3 results.