A145974 Row sums of triangle A145973.

1, 1, 3, 5, 14, 27, 73, 151, 400, 862, 2254, 4989, 12932, 29165, 75135, 171805, 440620, 1018240, 2602600, 6064810, 15460920, 36272270, 92276210, 217693425, 552878074, 1310422012, 3323477928, 7908572351, 20034349880, 47837048643, 121063495921, 289930092391, 733118166228, 1760303403020

Offset: 0

Author

Gary W. Adamson and Roger L. Bagula, Oct 25 2008

Keywords

• nonn

Comments

Triangle A145973 is the square of A053121.

Equals row sums of triangle A153585. - Gary W. Adamson, Dec 28 2008

Crossrefs

Cf. A053121, A145973, A153585.

Programs

Maple

A145974 := proc(n)
    add(A145973(n,k),k=0..n) ;
end proc: # R. J. Mathar, Mar 03 2013

Extensions

Extended beyond a(10) by R. J. Mathar, Mar 03 2013

a(25) corrected and more terms from Georg Fischer, Jun 11 2023