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.

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

0,2

Links

Table of n, a(n) for n=0..60.

Example

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]

Sequence in context: A100828 A267488 A230601 * A097537 A032723 A231374

Adjacent sequences: A132204 A132205 A132206 * A132208 A132209 A132210

Keyword

nonn,tabf

Author

Paul Curtz, Nov 06 2007

Extensions

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

Status

approved