A359130 F(n*(2*n+1))^2 - F(n)^2, where F(t) is the t-th Fibonacci number.

0, 3, 3024, 119814912, 222915410843895, 19483654655064681378000, 80002189819472960546544159263232, 15432434705952729777225206827234489126432731, 139851826795787684110005794342883432037695905219048253888, 59539195368390959718004621997019134942145263977350041232503934809554560

Offset

0,2

References

H. J. H. Tuenter, Fibonacci summation identities arising from Catalan's identity, Fib. Q., 60:4 (2022), 312-319.

Links

Table of n, a(n) for n=0..9.

Crossrefs

Cf. A000045.

Sequence in context: A202520 A281928 A036520 * A193447 A134909 A286215

Adjacent sequences: A359127 A359128 A359129 * A359131 A359132 A359133

Keyword

nonn

Author

N. J. A. Sloane, Dec 29 2022

Status

approved