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.

A161162 An irregular array distributing the values of A053445 having powers of two as column sums. (cf. A011782).

Original entry on oeis.org

1, 0, 1, 0, 2, 0, 3, 1, 4, 2, 2, 5, 3, 4, 6, 3, 4, 1, 6, 7, 6, 5, 6, 8, 8, 2, 9, 6, 2, 11, 10, 9, 9, 12, 7, 7, 16, 12, 10, 4, 16, 15, 8, 3, 18, 21, 14, 11, 1, 12, 23, 18, 9, 12, 29, 26, 16, 12, 8, 27, 30, 21, 10, 6, 26, 40, 31, 18, 13, 2, 23, 42, 37, 24, 11, 2, 21, 48, 51, 36, 20, 14, 15, 44
Offset: 1

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Author

Alford Arnold, Jun 08 2009

Keywords

Comments

Diagonals match the reverse of the rows in sequence A083480.
Contribution from Alford Arnold, Jun 09 2009: (Start)
Sequence A161162 is also closely related to sequence A161161 as illustrated.
consider the two vectors in A161161 summing to 32 and 16 respectively:
1 1 2 3 5 7 5 4 3 1
1 1 2 3 5 2 2
they differ by
0 0 0 0 0 5 3 4 3 1 which is the vector in A161162 summing to 16.
(End)

Examples

			Column six is 5 3 4 3 1 and sums to 16.
The Tabf begins 1
.0
.1
..0
..2
...0
...3
...1
....4
....2
....2.5
		

Crossrefs

A161161 [From Alford Arnold, Jun 09 2009]