cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A299772 Triangle read by rows T(n,k) in which the partial sums of column k give the column k of triangle A180681.

Original entry on oeis.org

1, 2, 3, 3, 2, 6, 4, 11, 2, 10, 5, 7, 14, 2, 15, 6, 24, 22, 18, 2, 21, 7, 15, 30, 26, 23, 2, 28, 8, 42, 41, 58, 31, 29, 2, 36, 9, 26, 81, 48, 68, 37, 36, 2, 45, 10, 65, 72, 124, 88, 80, 44, 44, 2, 55, 11, 40, 127, 121, 142, 100, 94, 52, 53, 2, 66, 12, 93, 156, 232, 177, 208, 114, 110, 61, 63, 2, 78
Offset: 1

Views

Author

Omar E. Pol, Mar 20 2018

Keywords

Examples

			Triangle begins:
   1;
   2,  3;
   3,  2,   6;
   4, 11,   2,  10;
   5,  7,  14,   2,  15;
   6, 24,  22,  18,   2,  21;
   7, 15,  30,  26,  23,   2,  28;
   8, 42,  41,  58,  31,  29,   2,  36;
   9, 26,  81,  48,  68,  37,  36,   2, 45;
  10, 65,  72, 124,  88,  80,  44,  44,  2, 55;
  11, 40, 127, 121, 142, 100,  94,  52, 53,  2, 66;
  12, 93, 156, 232, 177, 208, 114, 110, 61, 63,  2, 78;
...
		

Crossrefs

Column 1 is A000027.
Leading diagonal is A000217.
Row sums give A206440.
Apparently the second diagonal gives A007395.
Cf. A180681.