0,2

Characteristic polynomial: 240 x^4 + 352 x^5 + 120 x^6 - 40 x^7 - 25 x^8 + x^10.

In the 1960's borohydrides were structurally used as analogs to nuclear internal structure models. In this case an so(5) is an analog of a pendagonal prism by way of the D5 dihedral symmetry involved.

M = {{0, 1, 1, 1, 1, 1, 0, 0, 0, 0}, {1, 0, 1, 1, 1, 0, 1, 0, 0, 0}, {1, 1, 0, 1, 1, 0, 0, 1, 0, 0}, {1, 1, 1, 0, 1, 0, 0, 0, 1, 0}, {1, 1, 1, 1, 0, 0, 0, 0, 0, 1}, {1, 0, 0, 0, 0, 0, 1, 1, 1, 1}, {0, 1, 0, 0, 0, 1, 0, 1, 1, 1}, {0, 0, 1, 0, 0, 1, 1, 0, 1, 1}, {0, 0, 0, 1, 0, 1, 1, 1, 0, 1}, {0, 0, 0, 0, 1, 1, 1, 1, 1, 0}} v[1] = Table[Fibonacci[n], {n, 0, 9}] v[n_] := v[n] = M.v[n - 1] a = Table[Floor[v[n][[1]]], {n, 1, 50}]

Sequence in context: A012489 A027772 A099270 this_sequence A099930 A052208 A045952

Adjacent sequences: A120659 A120660 A120661 this_sequence A120663 A120664 A120665

nonn

Roger Bagula (rlbagulatftn(AT)yahoo.com), Aug 10 2006

Edited by njas, Jul 13 2007