A026666 - OEIS

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A026666

T(n,0) + T(n,1) + ... + T(n,n), T given by A026659.

1, 2, 4, 10, 20, 42, 84, 196, 392, 842, 1684, 3878, 7756, 16786, 33572, 76846, 153692, 333998, 667996, 1523448, 3046896, 6639150, 13278300, 30206468, 60412936, 131892226, 263784452, 598952096, 1197904192, 2619074230

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

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..29.

CROSSREFS

Sequence in context: A167030 A026644 A167193 * A325508 A238439 A121880

Adjacent sequences: A026663 A026664 A026665 * A026667 A026668 A026669

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved