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A083075 Square array read by antidiagonals: T(n,k) = (k*(2*k+3)^n+1)/(k+1). 10
1, 1, 1, 1, 3, 1, 1, 5, 13, 1, 1, 7, 33, 63, 1, 1, 9, 61, 229, 313, 1, 1, 11, 97, 547, 1601, 1563, 1, 1, 13, 141, 1065, 4921, 11205, 7813, 1, 1, 15, 193, 1831, 11713, 44287, 78433, 39063, 1, 1, 17, 253, 2893, 23801, 128841, 398581, 549029, 195313, 1, 1, 19, 321 (list; table; graph; refs; listen; history; internal format)
OFFSET

0,5

COMMENTS

Rows include A034478, A083076, A066443, A083077, A083078. Columns include odds, A082109, A083079. Diagonals include A083079, A083080, A083081, A083082.

LINKS

Nathaniel Johnston, Antidiagonals 0..100, flattened

EXAMPLE

Array begins:

1 1  1    1     1 ...

1 3 13   63   313 ...

1 5 33  229  1601 ...

1 7 61  547  4921 ...

1 9 97 1065 11713 ...

...

MAPLE

T := proc(n, k) return (k*(2*k+3)^n+1)/(k+1): end: seq(seq(T(k, n-k), k=0..n), n=0..10); # Nathaniel Johnston, Jun 26 2011

CROSSREFS

Sequence in context: A201588 A086385 A123162 * A195892 A195522 A069972

Adjacent sequences:  A083072 A083073 A083074 * A083076 A083077 A083078

KEYWORD

easy,nonn,tabl

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 23 2003

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.