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 A095831 Triangle read by rows: T(n,k) = (n-k)^2, n>=1, 1<=k<=n. 1
 0, 1, 0, 4, 1, 0, 9, 4, 1, 0, 16, 9, 4, 1, 0, 25, 16, 9, 4, 1, 0, 36, 25, 16, 9, 4, 1, 0, 49, 36, 25, 16, 9, 4, 1, 0, 64, 49, 36, 25, 16, 9, 4, 1, 0, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0, 100, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0, 121, 100, 81, 64, 49, 36, 25, 16, 9, 4, 1, 0, 144, 121, 100, 81 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,4 COMMENTS Alternating row sums give A000217. - Omar E. Pol, Jan 26 2014 Row sums give A000330. - Omar E. Pol, Jan 27 2014 LINKS EXAMPLE From Omar E. Pol, Jan 27 2011: (Start) 0; 1,    0; 4,    1,  0; 9,    4,  1,  0; 16,   9,  4,  1,  0; 25,  16,  9,  4,  1,  0; 36,  25, 16,  9,  4,  1,  0; 49,  36, 25, 16,  9,  4,  1,  0; 64,  49, 36, 25, 16,  9,  4,  1,  0; 81,  64, 49, 36, 25, 16,  9,  4,  1,  0; 100, 81, 64, 49, 36, 25, 16,  9,  4,  1,  0; ... For n = 8 the row sum is 49 + 36 + 25 + 16 + 9 + 4 + 1 + 0 = A000330(8-1) = 140. The alternating row sum is 49 - 36 + 25 - 16 + 9 - 4 + 1 - 0 = A000217(8-1) = 28. (End) CROSSREFS Cf. A055461. Sequence in context: A152420 A050465 A134575 * A277531 A284982 A089962 Adjacent sequences:  A095828 A095829 A095830 * A095832 A095833 A095834 KEYWORD easy,nonn,tabl AUTHOR Herman Jamke (hermanjamke(AT)fastmail.fm), Jul 10 2004 STATUS approved

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Last modified January 17 06:55 EST 2019. Contains 319207 sequences. (Running on oeis4.)