A285868 Row sums of triangle A285867.

1, 1, 4, 20, 126, 962, 8646, 89546, 1051350, 13811642, 200866326, 3205348346, 55704133590, 1047489675962, 21195507649686, 459258707587706, 10610386574074710, 260385846630175802, 6764666952807962646

Offset

0,3

Comments

See A285867 for details.

Links

Table of n, a(n) for n=0..18.

Formula

a(n) = Sum_{k=0..n} A285867(n, k).

a(n) = 1 for n = 0 and A000629(n) - n! for n >= 1.

Crossrefs

Cf. A000629, A285867.

Sequence in context: A297924 A151341 A349603 * A361548 A266490 A135886

Adjacent sequences: A285865 A285866 A285867 * A285869 A285870 A285871

Keyword

nonn,easy

Author

Wolfdieter Lang, May 04 2017

Status

approved