Maybe pause the video and see if you can figure these out?
Featuring Neil Sloane of OEIS fame... More links & stuff in full description below, including spoilers ↓↓↓

Extra footage from this video:    • Subway Numbers (extra bit)  Numberphile  

Neil Sloane is the founder of the Online Encyclopedia of Integer Sequences: https://oeis.org

Some OEIS sequences from this video...
http://oeis.org/A249572 (holey numbers)
http://oeis.org/A087409 (sixers)
http://oeis.org/A002904 (think like a Roman)
http://oeis.org/A006933 (Eban)
http://oeis.org/A006567 (Emirps)

Lunar Arithmetic:    • Primes on the Moon (Lunar Arithmetic)...  
Sloane's gap:    • Sloane's Gap  Numberphile  

Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile

We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. https://www.simonsfoundation.org/outr...

And support from Math For America https://www.mathforamerica.org/

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Correction:
The first table at 1.06 reads
n a(n)
1 1
2 4
3 8
4 48
but it should be
0 1
1 4
2 8
3 48

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