Similar to ポリガンマ関数

Bose–Einstein statistics

Rising factorial

Mathieu function

Minkowski's question-mark function

Modular form

Jacobi elliptic functions

Floor and ceiling functions

Mizan Rahman

Lamé function

Ramp function

Lambert W function

Riemann zeta function

Legendre chi function

G. N. Watson

Mathematics

0.999...

Zero-dimensional space

Zero to the power of zero

One-dimensional space

1 + 1 + 1 + 1 + ⋯

1 + 2 + 3 + 4 + ⋯

1 + 2 + 4 + 8 + ⋯

Root of unity

Ones' complement

1 − 1 + 2 − 6 + 24 − 120 + ⋯

1 − 2 + 3 − 4 + ⋯

1 − 2 + 4 − 8 + ⋯