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A211370 Array read by antidiagonals: T(m,n) = Sum( n <= i <= m+n-1 ) i!. 1
1, 2, 3, 6, 8, 9, 24, 30, 32, 33, 120, 144, 150, 152, 153, 720, 840, 864, 870, 872, 873, 5040, 5760, 5880, 5904, 5910, 5912, 5913, 40320, 45360, 46080, 46200, 46224, 46230, 46232, 46233, 362880, 403200, 408240, 408960, 409080, 409104, 409110, 409112, 409113 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Index numbers (compare A055089) of circular shifts to the right.

LINKS

Tilman Piesk, Table of n, a(n) for n = 1..2016

Tilman Piesk, Arrays of permutations (Wikiversity)

EXAMPLE

T(3,2) = Sum( 2 <= i <= 4 ) i! = 2! + 3! + 4! = 32.

The array starts:

  1,    2,     6,     24,     120,      720, ...

  3,    8,    30,    144,     840,     5760, ...

  9,   32,   150,    864,    5880,    46080, ...

33,  152,   870,   5904,   46200,   408960, ...

153,  872,  5910,  46224,  409080,  4037760, ...

873, 5912, 46230, 409104, 4037880, 43954560, ...

CROSSREFS

Cf. A051683 (circular shifts to the left), A007489 (column n=1), A000142 (row m=1).

Sequence in context: A099381 A089437 A146768 * A122479 A047403 A093193

Adjacent sequences:  A211367 A211368 A211369 * A211371 A211372 A211373

KEYWORD

nonn,tabl,easy

AUTHOR

Tilman Piesk, Jul 07 2012

STATUS

approved

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Last modified November 21 12:45 EST 2014. Contains 249778 sequences.