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

0,3

Comments

Triangle A145973 is the square of A053121.

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

Links

Table of n, a(n) for n=0..33.

Maple

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

Crossrefs

Cf. A053121, A145973, A153585.

Sequence in context: A364314 A026777 A007136 * A147544 A192478 A198785

Adjacent sequences: A145971 A145972 A145973 * A145975 A145976 A145977

Keyword

nonn

Author

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

Extensions

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

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

Status

approved