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A182832 Joint-rank array of numbers j*r^(i-1), where r=1+sqrt(3), read by antidiagonals. 2
1, 2, 3, 4, 7, 10, 5, 12, 21, 30, 6, 15, 34, 61, 85, 8, 19, 44, 95, 172, 237, 9, 24, 56, 125, 262, 476, 652, 11, 28, 68, 157, 347, 718, 1307, 1788, 13, 32, 80, 190, 435, 955, 1965, 3579, 4891, 14, 37, 91, 222, 524, 1196, 2618, 5373, 9786, 13371, 16, 41, 104 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Joint-rank arrays are defined in the first comment at A182801.  Every positive integer occurs exactly once, so that as a sequence A182832 is a permutation of the positive integers.

LINKS

Table of n, a(n) for n=1..58.

FORMULA

T(i,j)=SUM{floor(j*(1+sqrt(3))^(i-n)): n>=1}.

EXAMPLE

Northwest corner:

1....2....4....5....6...

3....7...12...15...19...

10..21...34...44...56...

30..61...95..125..157...

CROSSREFS

Cf. A182801.

Sequence in context: A269729 A098115 A182833 * A082673 A080724 A089589

Adjacent sequences:  A182829 A182830 A182831 * A182833 A182834 A182835

KEYWORD

nonn,tabl

AUTHOR

Clark Kimberling, Dec 07 2010

STATUS

approved

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Last modified August 11 23:45 EDT 2020. Contains 336434 sequences. (Running on oeis4.)