1 | | Probably just another symbolic function would suffice. This would be needed for zeta expansion and special values. The Sage side would be a new `GinacFunction` and numeric evaluation. Section 4.2 of http://arxiv.org/abs/1309.2877 would be the starting point of the latter. |

| 1 | Probably just another symbolic function would suffice. This would be needed for zeta expansion and special values. The Sage side would be a new `GinacFunction` and numeric evaluation. |

| 2 | |

| 3 | * https://en.wikipedia.org/wiki/Stieltjes_constants |

| 4 | * http://docs.sympy.org/dev/modules/mpmath/functions/zeta.html#stieltjes |

| 5 | * Section 4.2 of http://arxiv.org/abs/1309.2877 |