A098354 Multiplication table of the powers of 2 read by antidiagonals.

4, 8, 8, 16, 16, 16, 32, 32, 32, 32, 64, 64, 64, 64, 64, 128, 128, 128, 128, 128, 128, 256, 256, 256, 256, 256, 256, 256, 512, 512, 512, 512, 512, 512, 512, 512, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 1024, 2048, 2048, 2048, 2048, 2048, 2048, 2048, 2048

Offset

1,1

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Index to divisibility sequences

Example

4; 8,8; 16,16,16; 32,32,32,32; ...

Mathematica

Table[PadRight[{}, n-1, 2^n], {n, 2, 12}]//Flatten (* Harvey P. Dale, Nov 21 2021 *)

Prog

(PARI) for(n=2, 9, for(i=1, n-1, print1(2^n", "))) \\ Charles R Greathouse IV, Apr 09 2012

Crossrefs

Cf. A003991, A098355.

Sequence in context: A005877 A144174 A256816 * A354455 A209382 A298119

Adjacent sequences: A098351 A098352 A098353 * A098355 A098356 A098357

Keyword

nonn,tabl,easy

Author

Douglas Stones (dssto1(AT)student.monash.edu.au), Sep 04 2004

Status

approved