A336094 Digit of Pi multiplied by the next digit of Pi.

3, 4, 4, 5, 45, 18, 12, 30, 15, 15, 40, 72, 63, 63, 27, 6, 6, 24, 32, 24, 12, 12, 24, 12, 9, 24, 24, 6, 14, 63, 45, 0, 0, 16, 64, 32, 4, 9, 63, 7, 6, 54, 27, 27, 81, 27, 21, 35, 5, 0, 0, 40, 16, 0, 0, 63, 28, 36, 36, 16, 20, 45, 18, 6, 0, 0, 56, 8, 6, 24, 0, 0, 12, 16, 48

Offset: 1

Author

J. Marcel Feenstra, Jul 08 2020

Keywords

• nonn
• base
• less
• easy

Comments

There are 37 different values that can appear in this sequence, the last of which does not appear until a(560) = 49.

Examples

			The fifth digit of Pi is 5 and the sixth is 9, so a(5) = 45.
		

Crossrefs

Cf. A000796, A095916, A110883, A253828.

Programs

Mathematica

d = RealDigits[Pi, 10, 76][[1]]; Most[d] * Rest[d] (* Amiram Eldar, Jul 08 2020 *)