A006373 Numbers of terms in expressions for coefficients of Euler-Lagrange tensors in terms of Riemann-Christoffel curvature tensor and two of its contractions (viz., the Ricci curvature tensor and the Riemann curvature scalar) for n-dimensional differentiable manifolds having a general linear connection.

1, 2, 7, 26, 115, 596

Offset

0,2

Comments

The six known terms of this sequence coincide with the first six terms of A167551. - Johannes W. Meijer, Nov 12 2009

Links

Table of n, a(n) for n=0..5.

C. C. Briggs, A General Expression for the Quintic Lovelock Tensor, arXiv:gr-qc/9607033, 1996-1997.

C. C. Briggs, A General Expression for the Quartic Lovelock Tensor, arXiv:gr-qc/9703074, 1997.

S. Schreiber & N. J. A. Sloane, Correspondence, 1980

Crossrefs

Cf. A006372, A030429.

Cf. A167551.

Sequence in context: A007168 A150590 A202830 * A030429 A167551 A309396

Adjacent sequences: A006370 A006371 A006372 * A006374 A006375 A006376

Keyword

nonn,more

Author

C. C. Briggs (ccb104(AT)vm.cac.psu.edu)

Status

approved