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A182833 Joint-rank array of the numbers j*e^(i-1), read by antidiagonals. 1
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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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.

LINKS

Table of n, a(n) for n=1..59.

FORMULA

T(i,j)=SUM{floor(j*e^(i-n)): n>=1}.

EXAMPLE

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.

Sequence in context: A274976 A269729 A098115 * A182832 A082673 A080724

Adjacent sequences:  A182830 A182831 A182832 * A182834 A182835 A182836

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling, Dec 07 2010

STATUS

approved

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Last modified July 31 22:27 EDT 2021. Contains 346377 sequences. (Running on oeis4.)