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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.

A174673 Triangle read by rows: T(n,m)=A154694(n,m)-A154694(n,0)+1.

Original entry on oeis.org

1, 1, 1, 1, 36, 1, 1, 296, 296, 1, 1, 1932, 4656, 1932, 1, 1, 11696, 54086, 54086, 11696, 1, 1, 69048, 556596, 1042920, 556596, 69048, 1, 1, 405236, 5406866, 16866206, 16866206, 5406866, 405236, 1, 1, 2381700, 51004320, 247754256, 404837664
Offset: 0

Views

Author

Roger L. Bagula, Mar 26 2010

Keywords

Comments

Reduces the values in the triangle A154694 such that each row starts with 1.
Row sums are:
1, 2, 38, 594, 8522, 131566, 2294210, 45356618, 1007118218, 24839902470,
673894929842,...

Examples

			{1},
{1, 1},
{1, 36, 1},
{1, 296, 296, 1},
{1, 1932, 4656, 1932, 1},
{1, 11696, 54086, 54086, 11696, 1},
{1, 69048, 556596, 1042920, 556596, 69048, 1},
{1, 405236, 5406866, 16866206, 16866206, 5406866, 405236, 1},
{1, 2381700, 51004320, 247754256, 404837664, 247754256, 51004320, 2381700, 1},
{1, 14050376, 473595806, 3441231326, 8491073726, 8491073726, 3441231326, 473595806, 14050376, 1},
{1, 83216400, 4357421004, 46167420504, 164067684600, 244543444824, 164067684600, 46167420504, 4357421004, 83216400, 1}
		

Crossrefs

Programs

  • Maple
    A174673 := proc(n,m)
        A154694(n,m)-A154694(n,0)+1 ;
    end proc:
    seq(seq( A174673(n,m),m=0..n),n=0..10) ; # R. J. Mathar, Mar 11 2024
  • Mathematica
    Clear[t, p, q, n, m];
    p = 2; q = 3;
    t[n_, m_] = (p^(n - m)*q^m + p^m*q^( n - m))*Sum[(-1)^j*Binomial[n + 2, j]*(m - j + 1)^(n + 1), {j, 0, m + 1}];
    Table[Table[t[n, m] - t[n, 0] + 1, {m, 0, n}], {n, 0, 10}];
    Flatten[%]

Formula

t(n,m)=A154694(n,m)-A154694(n,0)+1