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

1,1

Comments

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

Links

Table of n, a(n) for n=1..75.

Example

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

Mathematica

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

Crossrefs

Cf. A000796, A095916, A110883, A253828.

Sequence in context: A059179 A279678 A222283 * A182487 A309530 A341933

Adjacent sequences: A336091 A336092 A336093 * A336095 A336096 A336097

Keyword

nonn,base,less,easy

Author

J. Marcel Feenstra, Jul 08 2020

Status

approved