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.

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A182833 Joint-rank array of the numbers j*e^(i-1), read by antidiagonals.

Original entry on oeis.org

1, 2, 3, 4, 7, 10, 5, 12, 21, 30, 6, 15, 34, 61, 84, 8, 19, 44, 94, 170, 232, 9, 24, 55, 124, 257, 466, 635, 11, 28, 68, 155, 342, 702, 1272, 1731, 13, 32, 79, 188, 427, 935, 1912, 3465, 4711, 14, 37, 91, 219, 515, 1169, 2548, 5201, 9426, 12814, 16, 41, 103, 251
Offset: 1

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Author

Clark Kimberling, Dec 07 2010

Keywords

Comments

Joint-rank arrays are defined in the first comment at A182801. (Column 1)=A117869. Every positive integer occurs exactly once, so that as a sequence, A182833 is a permutation of the positive integers.

Examples

			Northwest corner:
1....2....4....5....6...
3....7...12...15...19...
10..21...34...44...55...
30..61...94..124..155...

Crossrefs

Cf. A182801.

Formula

T(i,j)=SUM{floor(j*e^(i-n)): n>=1}.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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