Search: id:A094439 Results 1-1 of 1 results found. %I A094439 %S A094439 3,3,5,3,10,8,3,15,24,13,3,20,48,52,21,3,25,80,130,105,34,3,30,120,260, %T A094439 315,204,55,3,35,168,455,735,714,385,89,3,40,224,728,1470,1904,1540,712, %U A094439 144,3,45,288,1092,2646,4284,4620,3204,1296,233,3,50,360,1560,4410,8568 %N A094439 Triangular array T(n,k)=F(k+4)C(n,k), k=0,1,2,3,...,n; n>=0. %C A094439 Let F(n) denote the n-th Fibonacci number (A000045). Then n-th row sum of T is F(2n+4) and n-th alternating row sum is -F(n-4). %e A094439 First four rows: %e A094439 3 %e A094439 3 5 %e A094439 3 10 8 %e A094439 3 15 24 13 sum = 3+15+24+13=55=F(10); alt.sum = 3-15+24-13=-1=-F(-1). %e A094439 T(3,2)=F(5)C(3,2)=5*3=15. %Y A094439 Cf. A094444, A000045. %Y A094439 Sequence in context: A029620 A048691 A071053 this_sequence A122037 A008316 A072820 %Y A094439 Adjacent sequences: A094436 A094437 A094438 this_sequence A094440 A094441 A094442 %K A094439 nonn,tabl %O A094439 1,1 %A A094439 Clark Kimberling (ck6(AT)evansville.edu), May 03 2004 Search completed in 0.001 seconds