A134826 - OEIS

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A134826

Row sums of triangle A134285, called s2(3)'.

1, 4, 14, 58, 214, 908, 3442, 14444, 56386, 234476, 920490, 3847998, 15165982, 62944212, 250787568, 1036586952, 4132605038, 17106500792, 68303652958, 281749732730, 1130378730046, 4648910236412, 18657451711020, 76808828008438

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OFFSET

1,2

LINKS

Table of n, a(n) for n=1..24.

FORMULA

a(n) = Sum_{m=1..n} A134285(n,m), n>=1.

CROSSREFS

Cf. A134827 (alternating row sums of triangle A134285).

Sequence in context: A186828 A151489 A325929 * A096242 A360198 A296943

Adjacent sequences: A134823 A134824 A134825 * A134827 A134828 A134829

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang, Nov 13 2007

STATUS

approved