A178882 Triangle T(n,k) = n!* A036040(n,k) read by rows, 1 <= k <= A000041(n).

1, 2, 2, 6, 18, 6, 24, 96, 72, 144, 24, 120, 600, 1200, 1200, 1800, 1200, 120, 720, 4320, 10800, 7200, 10800, 43200, 10800, 14400, 32400, 10800, 720, 5040, 35280, 105840, 176400, 105840, 529200

Offset

1,2

Comments

Row sums are A137341(n).

Links

Table of n, a(n) for n=1..35.

Example

For row n = 4 the calculations are (1 4 3 6 1) times (24 24 24 24 24 ) yielding (24 96 72 144 24)
which sums to A137341(4) = 360.
Row n has A000041(n) entries:
1;
2,2;
6,18,6;
24,96,72,144,24;
120,600,1200,1200,1800,1200,120;
720,4320,10800,7200,10800,43200,10800,14400,32400,10800,720;

Crossrefs

Cf. A000110, A053529, A137341, A036040, A178801.

Sequence in context: A006249 A216971 A019575 * A186195 A256215 A253284

Adjacent sequences: A178879 A178880 A178881 * A178883 A178884 A178885

Keyword

easy,nonn,tabf

Author

Alford Arnold, Jun 23 2010

Status

approved