A056593 Row sums of unsigned triangle A056588.

1, 2, 4, 10, 32, 132, 692, 4620, 39352, 427572, 5918992, 104375880, 2344751912, 67092113592, 2444702271152, 113425536387240, 6700361921561152, 503909247633965712, 48243317287320644752, 5879293173259041034800

Offset: 0

Author

Wolfdieter Lang Jul 10 2000

Keywords

• nonn
• easy

Crossrefs

Cf. A000045, A056588, A056592.

Formula

a(n)= sum(((-1)^(floor((m+1)/2)))*A056588(n, m), m=0..n), n >= 0.