Andrews' growth conjecture for the coefficients of v1(q)v_1(q)

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Let

v1(q):=∑n≥0qn(n+1)/2(−q2;q2)n=∑n≥0V1(n)qn.v_1(q):=\sum_{n\ge 0}\frac{q^{n(n+1)/2}}{(-q^2;q^2)_n}=\sum_{n\ge 0}V_1(n)q^n.

Andrews' Conjecture 3. The coefficients satisfy

∣V1(n)∣→∞as n→∞.|V_1(n)|\to\infty\quad\text{as }n\to\infty.

This is one of Andrews' conjectures on the sign and magnitude of the coefficients of the qq-series v1(q)v_1(q); the supplied paper states that it proves Andrews' Conjectures 5 and 6, but gives no resolution status for this conjecture.

References

Primary source

Mohamed El Bachraoui, “Proofs for Andrews' Conjectures 5 and 6 on v_1(q)”, arXiv:2604.08013 (2026).

Additional references

2 papers in this index state this conjecture (2023–2026). The statement above is taken from the most recent of them; the others are arXiv:2305.16654.

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