Higher Apery-like numbers arising from special values of the spectral zeta function for the non-commutative harmonic oscillator

Abstract

A generalization of the Apery-like numbers, which is used to describe the special values ${\zeta }_Q(2)$ and ${\zeta }_Q(3)$ of the spectral zeta function for the non-commutative harmonic oscillator, are introduced and studied. In fact, we give a recurrence relation for them, which shows a ladder structure among them. Further, we consider the `rational part' of the higher Apery-like numbers. We discuss several kinds of congruence relations among them, which are regarded as an analogue of the ones among Apery numbers.

26 pages

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• Special value formula for the spectral zeta function of the non-commutative harmonic oscillator