# [MATL], <s>30</s> 29 bytes A077430I\2-|Gw^1Mwx*10&Ylk1+& [A077430] [Try it online!][TIO-j5xlztt3] -1 byte thanks to @Sanchises [MATL]: https://github.com/lmendo/MATL [TIO-j5xlztt3]: https://tio.run/##y00syfn/39HA3NzE2MAzxki3xr08ztC3vELL0EAtMifbUFvt/38LEwA "MATL – Try It Online" [A077430]: https://oeis.org/A077430