Search: id:A110614 Results 1-1 of 1 results found. %I A110614 %S A110614 1,5,15,57,215,841,3319,13193,52599,210057,839543,3356809,13424503, %T A110614 53692553,214759287,859015305,3436017527,13743982729,54975756151, %U A110614 219902675081,879610001271,3518438606985,14073751631735,56295000934537 %N A110614 a(n+3) = 5*a(n+2) - 2*a(n+1) - 8*a(n), a(0) = 1, a(1) = 5, a(2) = 15. %C A110614 See comment for A110613. %F A110614 G.f. (1-8*x^2)/((4*x-1)*(2*x-1)*(x+1)); Program "Superseeker" finds: a(n) + a(n+1) = A063376(n+1) %p A110614 seriestolist(series((1-8*x^2)/((4*x-1)*(2*x-1)*(x+1)), x=0,25)); -or- Floretion Algebra Multiplication Program, FAMP Code: 2ibasejsumseq[(.5'i - .5'k - .5i' + .5k' - .5'ij' - .5'ji' - .5'jk' - .5'kj')('i + j' + 'ij' + 'ji')] Sumtype is set to: sum[Y[15]] = sum[ * ] (disregarding signs) %Y A110614 Cf. A110613, A063376. %Y A110614 Sequence in context: A001552 A165731 A149589 this_sequence A149590 A149591 A149592 %Y A110614 Adjacent sequences: A110611 A110612 A110613 this_sequence A110615 A110616 A110617 %K A110614 easy,nonn %O A110614 0,2 %A A110614 Creighton Dement (creighton.k.dement(AT)uni-oldenburg.de), Jul 31 2005 Search completed in 0.001 seconds