A273592 a(n) = A010057(A273555(n)).

1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

Offset

1,1

Comments

Related to the distribution of noncube terms in A273555.

What is the distribution of 0's in this sequence as n goes to infinity?

Links

Table of n, a(n) for n=1..89.

Prog

(PARI) T = thueinit(x^3+1, 1);
isA001235(n) = my(v=thue(T, n)); sum(i=1, #v, v[i][1]>=0 && v[i][2]>=v[i][1])>1;
lista(nn) = for(n=1, nn, if(isA001235(n), print1(ispower(n-sqrtnint(n, 3)^3, 3), ", ")));

Crossrefs

Cf. A001235, A010057, A273555

Sequence in context: A353458 A110242 A356315 * A279693 A368992 A334465

Adjacent sequences: A273589 A273590 A273591 * A273593 A273594 A273595

Keyword

nonn

Author

Altug Alkan, May 26 2016

Status

approved