| 1, 1, 1, 1, 4, 1, 1, 9, 9, 1, 1, 16, 25, 16, 1, 1, 25, 49, 49, 25, 1, 1, 36, 81, 100, 81, 36, 1, 1, 49, 121, 169, 169, 121, 49, 1, 1, 64, 169, 256, 289, 256, 169, 64, 1, 1, 81, 225, 361, 441, 441, 361, 225, 81, 1, 1, 100, 289, 484, 625, 676, 625, 484, 289, 100, 1, 1, 121, 361, 625
(list; table; graph; listen)
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OFFSET
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0,5
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FORMULA
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Square array defined by T(n, k)=(k^2n^2+2kn+1)
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EXAMPLE
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Rows start
1 1 1 1 1 ...
1 4 9 16 25 ...
1 9 25 49 81 ...
1 16 49 100 169 ...
1 25 81 169 256 ...
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CROSSREFS
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Rows include A000290, A016754, A016778, A016814, A016862, A016922, A016994. Main diagonal is A082044. Other diagonals include A058031, A000583, A062938. Diagonal sums (row sums if viewed as number triangle) are A082045.
Cf. A082039, A082046, A082105.
Sequence in context: A082950 A060102 A152237 this_sequence A124216 A008459 A157192
Adjacent sequences: A082040 A082041 A082042 this_sequence A082044 A082045 A082046
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Paul Barry (pbarry(AT)wit.ie), Apr 03 2003
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