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.

A132207 Triangle read by rows: row n lists first 2*4^n terms of an array read by rows, in which row k gives 2*4^n + 3*k - 1; 5*4^n + 3*k - 1, with k>=0 in each array.

Original entry on oeis.org

1, 4, 7, 19, 10, 22, 13, 25, 16, 28, 31, 79, 34, 82, 37, 85, 40, 88, 43, 91, 46, 94, 49, 97, 52, 100, 55, 103, 58, 106, 61, 109, 64, 112, 67, 115, 70, 118, 73, 121, 76, 124, 127, 319, 130, 322, 133, 325, 136, 328, 139, 331, 142, 334, 145, 337, 148, 340, 151, 343, 154
Offset: 0

Views

Author

Paul Curtz, Nov 06 2007

Keywords

Examples

			Contribution from _Omar E. Pol_, Jan 06 2009: (Start)
Triangle begins:
1,4;
7,19,10,22,13,25,16,28;
31,79,34,82,37,85,40,88,43,91,......,76,124;
127,319,130,322,133,325,136,328,139,331,142,334,145,337,......,316,508;
...
Array, in row 0, is
1, 4
...
Array, in row 1, is
7, 19
10, 22
13, 25
16, 28
...
Array, in row 2, begins:
31, 79
34, 82
37, 85
40, 88
And so on.
(End)
		

Crossrefs

Cf. A000302, A016777, A083420. [From Omar E. Pol, Jan 06 2009]

Extensions

Edited with better definition by Omar E. Pol, Jan 04 2009