A178865 - OEIS

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A178865

Triangle read by rows; generalization of A101950.

2

1, 10, 1, 90, 20, 1, 800, 280, 30, 1, 7101, 3400, 570, 40, 1, 63010, 38301, 8800, 960, 50, 1, 559090, 412020, 120601, 18000, 1450, 60, 1, 4960800, 4296280, 1530030, 291001, 32000, 2040, 70, 1

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

OFFSET

1,2

COMMENTS

Rows sum up to A000042

Erroneous version of A206819. - Philippe Deléham, Feb 23 2013

LINKS

Table of n, a(n) for n=1..36.

EXAMPLE

Triangle begins:

1,

10, 1,

90, 20, 1,

800, 280, 30, 1

CROSSREFS

Cf. A000042, A101950, A004189, A206819.

Sequence in context: A030526 A327003 A206819 * A347491 A164881 A276379

Adjacent sequences: A178862 A178863 A178864 * A178866 A178867 A178868

KEYWORD

nonn,tabl

AUTHOR

Mark Dols, Jun 20 2010

STATUS

approved