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A166280
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Stirling2 triangle mod 2, T(n,k) = A008277(n,k) mod 2.
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0
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1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1
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OFFSET
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0,1
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LINKS
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Table of n, a(n) for n=0..104.
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EXAMPLE
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Triangle begins:
1,
1,1,
1,1,1,
1,1,0,1,
1,1,1,0,1,
1,1,0,1,1,1,
1,1,1,0,0,1,1,
1,1,0,1,0,0,0,1,
1,1,1,0,1,0,0,0,1,
1,1,0,1,1,1,0,0,1,1,
1,1,1,0,0,1,1,0,1,1,1,
1,1,0,1,0,0,0,1,1,1,0,1,
1,1,1,0,1,0,0,0,0,1,1,0,1,
...
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PROG
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(PARI) p = 2; s=14; S2T = matrix(s, s, n, k, if(k==1, 1)); for(n=2, s, for(k=2, n, S2T[n, k]=k*S2T[n-1, k]+S2T[n-1, k-1]));
S2TMP = matrix(s, s, n, k, S2T[n, k]%p);
for(n=1, s, for(k=1, n, print1(S2TMP[n, k], " ")); print())
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CROSSREFS
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Cf. A008277, A047999 (Sierpinski's triangle, Pascal's triangle mod 2).
Sequence in context: A351824 A334460 A071023 * A340371 A340374 A070887
Adjacent sequences: A166277 A166278 A166279 * A166281 A166282 A166283
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KEYWORD
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easy,nonn,tabl
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AUTHOR
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Gerald McGarvey, Oct 10 2009
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STATUS
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approved
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