---
# System prepended metadata

title: PAST11 E - 変わった数列
tags: [CP]

---

# PAST 11 E 変わった数列

https://atcoder.jp/contests/past202206-open/tasks/past202206_e

https://atcoder.jp/contests/past202206-open/submissions/44587437

奇数の和は平方数

![](https://hackmd.io/_uploads/BJr0huvnn.png)
