A090450 - OEIS

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A090450

Row sums of triangle A090447.

2

1, 2, 5, 22, 221, 5556, 352897, 56909000, 23456163817, 24862388706622, 68125408037874461, 484697617517152241192, 8987761653844408528516645, 435751632681268773059903563592, 55389930392445599773550918556967161

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..14.

FORMULA

a(n)=sum(A090447(n, m), m=0..n), n>=0.

CROSSREFS

Cf. A090451 (alternating row sums).

Sequence in context: A042933 A005203 A193660 * A137099 A068413 A137069

Adjacent sequences: A090447 A090448 A090449 * A090451 A090452 A090453

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Dec 23 2003

STATUS

approved