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A014621 Triangle of numbers arising from analysis of Levine's sequence A011784. 3
1, 1, 3, 1, 15, 10, 3, 1, 105, 105, 55, 30, 10, 3, 1, 945, 1260, 910, 630, 350, 168, 76, 30, 10, 3, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..25.

EXAMPLE

Triangle begins:

1;

1;

3, 1;

15, 10, 3, 1;

105, 105, 55, 30, 10, 3, 1;

945, 1260, 910, 630, 350, 168, 76, 30, 10, 3, 1;

CROSSREFS

Cf. A011784, A014622 (row sums)

Sequence in context: A134685 A130757 A181996 * A144006 A193966 A113378

Adjacent sequences:  A014618 A014619 A014620 * A014622 A014623 A014624

KEYWORD

tabf,nonn,obsc,more

AUTHOR

Colin Mallows

STATUS

approved

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Last modified December 9 08:41 EST 2021. Contains 349627 sequences. (Running on oeis4.)