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A260817
Maximal degree of a polynomial P = Sum_{k=0..m} x^{d(k)} with 0 = d(0) < ... < d(m) such that P^2 = Sum_{k>=0} B(k) x^k has B(k) <= n for all k and B(k) > 0 for k <= d(m).
1
1, 3, 8, 40, 52, 264, 328
OFFSET
1,2
COMMENTS
See the main entry A260551 for further comments and references, and A260818 for the maximal "length" of the polynomials.
LINKS
Peter Borwein, Stephen Choi and Frank Chu, An old conjecture of Erdös-Turán on additive bases, Math. Comp. 75 (2006), 475-484, see Table 1 p. 481.
CROSSREFS
Sequence in context: A034892 A072687 A353718 * A262126 A110561 A107991
KEYWORD
nonn,hard,more
AUTHOR
M. F. Hasler, Jul 31 2015
STATUS
approved