This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A379837 #11 Jan 26 2025 20:48:15 %S A379837 2,3,3,5,6,5,8,11,11,8,13,19,22,19,13,21,32,41,41,32,21,34,53,73,82, %T A379837 73,53,34,55,87,126,155,155,126,87,55,89,142,213,281,310,281,213,142, %U A379837 89,144,231,355,494,591,591,494,355,231,144 %N A379837 Triangle read by rows formed using Pascal's rule except that n-th row begins and ends with Fibonacci(n+3). %e A379837 Triangle begins: %e A379837 k= 0 1 2 3 4 5 6 %e A379837 n=0: 2; %e A379837 n=1: 3, 3; %e A379837 n=2: 5, 6, 5; %e A379837 n=3: 8, 11, 11, 8; %e A379837 n=4: 13, 19, 22, 19, 13; %e A379837 n=5: 21, 32, 41, 41, 32, 21; %e A379837 n=6: 34, 53, 73, 82, 73, 53, 34; %e A379837 ... %t A379837 // As triangle // t={};Do[r={};Do[If[k==0||k==n,m=Fibonacci[n+3],m=t[[n,k]]+t[[n,k+1]]];r=AppendTo[r,m],{k,0,n}];AppendTo[t,r],{n,0,11}];t %Y A379837 Cf. A000045, A074829, A316938, A316939. %Y A379837 Cf. A108617. %K A379837 nonn,tabl %O A379837 0,1 %A A379837 _Vincenzo Librandi_, Jan 26 2025