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 A167222 Irregular triangle read by rows: T(n,k) = n^3 - k^2 with 0 <= k <= A077121(n). 4

%I

%S 0,1,0,8,7,4,27,26,23,18,11,2,64,63,60,55,48,39,28,15,0,125,124,121,

%T 116,109,100,89,76,61,44,25,4,216,215,212,207,200,191,180,167,152,135,

%U 116,95,72,47,20,343,342,339,334,327,318,307,294,279,262,243,222,199,174

%N Irregular triangle read by rows: T(n,k) = n^3 - k^2 with 0 <= k <= A077121(n).

%C For primes see A167224.

%H R. Zumkeller, <a href="/A167222/b167222.txt">Table of n, a(n) for n = 0..9999</a>

%e Triangle begins:

%e 0;

%e 1, 0;

%e 8, 7, 4;

%e 27, 26, 23, 18, 11, 2;

%e 64, 63, 60, 55, 48, 39, 28, 15, 0;

%e 125, 124, 121, 116, 109, 100, 89, 76, 61, 44, 25, 4;

%e 216, 215, 212, 207, 200, 191, 180, 167, 152, 135, 116, 95, 72, 47, 20, etc.

%K nonn,tabf,look

%O 0,4

%A _Reinhard Zumkeller_, Oct 31 2009

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Last modified September 17 06:16 EDT 2021. Contains 347478 sequences. (Running on oeis4.)