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A144462 A triangle sequence designed as a step function around the determinants: a(n)=A000045(n); t(n,m)=If[m == 0 || m == 1, 2 - m, If[ m < n, Ceiling[(a(m) - 1)/a(n) + 1], a(n) + 1]]. 0

%I #4 Nov 17 2019 01:05:36

%S 2,2,1,2,1,2,2,1,1,3,2,1,1,2,4,2,1,1,2,2,6,2,1,1,2,2,2,9,2,1,1,2,2,2,

%T 2,14,2,1,1,2,2,2,2,2,22,2,1,1,2,2,2,2,2,2,35,2,1,1,2,2,2,2,2,2,2,56

%N A triangle sequence designed as a step function around the determinants: a(n)=A000045(n); t(n,m)=If[m == 0 || m == 1, 2 - m, If[ m < n, Ceiling[(a(m) - 1)/a(n) + 1], a(n) + 1]].

%C Row sums: {2, 3, 5, 7, 10, 14, 19, 26, 36, 51, 74}.

%F a(n)=A000045(n); t(n,m)=If[m == 0 || m == 1, 2 - m, If[ m < n, Ceiling[(a(m) - 1)/a(n) + 1], a(n) + 1]].

%e {2},

%e {2, 1},

%e {2, 1, 2},

%e {2, 1, 1, 3},

%e {2, 1, 1, 2, 4},

%e {2, 1, 1, 2, 2, 6},

%e {2, 1, 1, 2, 2, 2, 9},

%e {2, 1, 1, 2, 2, 2, 2, 14},

%e {2, 1, 1, 2, 2, 2, 2, 2, 22},

%e {2, 1, 1, 2, 2, 2, 2, 2, 2, 35},

%e {2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 56}

%t Clear[a, b, t, n, m]; a[n_] := Fibonacci[n]; t[n_, m_] := If[m == 0 || m == 1, 2 - m, If[ m < n, Ceiling[(a[m] - 1)/a[n] + 1], a[n] + 1]]; Table[Table[t[n, m], {m, 0, n}], {n, 0, 10}]; Flatten[%]

%Y Cf. A000045.

%K nonn,uned

%O 1,1

%A _Roger L. Bagula_ and _Gary W. Adamson_, Oct 08 2008

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)