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A049621 a(n)=T(n,n+1), array T as in A049615. 0
0, 1, 4, 8, 12, 18, 24, 30, 38, 48, 56, 66, 76, 86, 102, 118, 128, 142, 156, 170, 192, 214, 228, 246, 268, 288, 312, 338, 356, 380, 404, 422, 452, 484, 514, 550, 576 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..36.

CROSSREFS

Sequence in context: A311633 A311634 A311635 * A072511 A156324 A311636

Adjacent sequences:  A049618 A049619 A049620 * A049622 A049623 A049624

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified November 20 20:28 EST 2019. Contains 329347 sequences. (Running on oeis4.)