1,2

Column 14 ofA203647.

R. H. Hardin,Table of n, a(n) for n = 1..210

Index entries for linear recurrences with constant coefficients,signature (106, -5096, 147056, -2840838, 38786748, -385081268, 2816490248, -15200266081, 59999485546, -169679309436, 331303013496, -418753514880, 303268406400, -93405312000).

Empirical: a(n) = 106*a(n-1) -5096*a(n-2) +147056*a(n-3) -2840838*a(n-4) +38786748*a(n-5) -385081268*a(n-6) +2816490248*a(n-7) -15200266081*a(n-8) +59999485546*a(n-9) -169679309436*a(n-10) +331303013496*a(n-11) -418753514880*a(n-12) +303268406400*a(n-13) -93405312000*a(n-14).

Empirical formula confirmed by extension of first ten columns, seeA203641.-Ray Chandler,Jul 06 2024

Cf.A203641.

Sequence in context:A203643A192128A203644*A203646A292935A000110

Adjacent sequences:A203642A203643A203644*A203646A203647A203648

R. H. Hardin,Jan 04 2012

approved