A172097 Table T(n,k) read by rows which contains in row n the 2^n terms of A171968 starting at the (n+1)st 3.

3, 3, 7, 3, 7, 11, 15, 3, 7, 11, 15, 19, 23, 27, 31, 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, 67, 71, 75, 79, 83, 87, 91, 95, 99, 103, 107, 111, 115, 119, 123, 127, 3

Offset: 0

Author

Paul Curtz, Nov 19 2010

Keywords

• nonn
• tabf

Comments

The positions of the 3's in A171968 are 3, 6, 12, ... = A007283(n), or A181565(n) if A171968 is interpreted with offset 1.

Examples

			The table starts in row n as:
3;
3,7;
3,7,11,15;
3,7,11,15,19,23,27,31;
		

Crossrefs

Cf. A006257.