A309008 The same array as in A293500, but without the leading row and column of zeros. See that entry for more information.

1, 2, 3, 6, 9, 6, 12, 36, 24, 10, 28, 108, 120, 50, 15, 56, 351, 480, 300, 90, 21, 120, 1053, 2016, 1500, 630, 147, 28, 240, 3240, 8064, 7750, 3780, 1176, 224, 36, 496, 9720, 32640, 38750, 23220, 8232, 2016, 324, 45

Offset

2,2

Links

Table of n, a(n) for n=2..46.

Example

The table begins:
   1,    3,    6,    10,     15,     21,      28,      36,      45, ...
   2,    9,   24,    50,     90,    147,     224,     324,     450, ...
   6,   36,  120,   300,    630,   1176,    2016,    3240,    4950, ...
  12,  108,  480,  1500,   3780,   8232,   16128,   29160,   49500, ...
  28,  351, 2016,  7750,  23220,  58653,  130816,  265356,  499500, ...
  56, 1053, 8064, 38750, 139320, 410571, 1046528, 2388204, 4995000, ...
  ...

Crossrefs

Cf. A293500.

Sequence in context: A328843 A358850 A021426 * A249182 A189968 A097108

Adjacent sequences: A309005 A309006 A309007 * A309009 A309010 A309011

Keyword

nonn,tabl

Author

Bahman Ahmadi, Aug 05 2019

Status

approved