A153346 Triangle read by rows: A000012 * A153345.

1, 3, 0, 7, 1, 0, 14, 5, 1, 0, 26, 16, 6, 1, 0, 46, 42, 23, 7, 1, 0, 79, 98, 71, 31, 8, 1, 0, 133, 212, 192, 109, 40, 9, 1, 0, 221, 435, 475, 332, 157, 50, 10, 1, 0, 364, 859, 1102, 916, 529, 216, 61, 11, 1, 0, 596, 1648, 2436, 2350, 1602, 795, 287, 73, 12, 1, 0, 972, 3092, 5186, 5702, 4481, 2613, 1143, 371, 86, 13, 1, 0

Offset

0,2

Comments

Row sums = A048739: (1, 3, 8, 20, 49, 119, 288, ...).

Left border = A001924.

Links

Table of n, a(n) for n=0..77.

Example

First few rows of the triangle:
    1;
    3,    0;
    7,    1,    0;
   14,    5,    1,    0;
   26,   16,    6,    1,    0;
   46,   42,   23,    7,    1,   0
   79,   98,   71,   31,    8,   1,   0;
  133,  212,  192,  109,   40,   9,   1,  0;
  221,  435,  475,  332,  157,  50,  10,  1,  0;
  364,  859, 1102,  916,  529, 216,  61, 11,  1, 0;
  596, 1648, 2436, 2350, 1602, 795, 287, 73, 12, 1, 0;
  ...

Crossrefs

Cf. A001924, A048739, A153345.

Sequence in context: A359061 A238942 A046269 * A011080 A021769 A200119

Adjacent sequences: A153343 A153344 A153345 * A153347 A153348 A153349

Keyword

nonn,tabl

Author

Gary W. Adamson, Dec 24 2008

Extensions

a(44) = 0 corrected and more terms from Georg Fischer, Jun 05 2023

Status

approved