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Search: id:A110449
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| A110449 |
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Triangle read by rows: T(n,k) = n*((2*k+1)*n+1)/2, 0<=k<=n. |
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+0
15
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| 0, 1, 2, 3, 7, 11, 6, 15, 24, 33, 10, 26, 42, 58, 74, 15, 40, 65, 90, 115, 140, 21, 57, 93, 129, 165, 201, 237, 28, 77, 126, 175, 224, 273, 322, 371, 36, 100, 164, 228, 292, 356, 420, 484, 548, 45, 126, 207, 288, 369, 450, 531, 612, 693, 774, 55, 155, 255, 355, 455
(list; table; graph; listen)
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OFFSET
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1,3
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COMMENT
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Row sums give A110450; central terms give A110451;
T(n,0) = A000217(n);
T(n,1) = A005449(n) for n>0;
T(n,2) = A005475(n) for n>1;
T(n,3) = A022265(n) for n>2;
T(n,4) = A022267(n) for n>3;
T(n,5) = A022269(n) for n>4;
T(n,6) = A022271(n) for n>5;
T(n,7) = A022263(n) for n>6;
T(n+1,n-1) = A059270(n) for n>1;
T(n,n-1) = A081436(n) for n>1;
T(n,n) = A085786(n).
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CROSSREFS
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Cf. A126890.
Adjacent sequences: A110446 A110447 A110448 this_sequence A110450 A110451 A110452
Sequence in context: A066236 A118203 A064956 this_sequence A067991 A114600 A088905
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KEYWORD
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nonn,tabl
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 21 2005
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