A322777 Scan first k digits of Pi starting with 3, for k = 1,2,3,..., record all distinct numbers in the order in which they appear.

3, 31, 1, 314, 14, 4, 3141, 141, 41, 31415, 1415, 415, 15, 5, 314159, 14159, 4159, 159, 59, 9, 3141592, 141592, 41592, 1592, 592, 92, 2, 31415926, 1415926, 415926, 15926, 5926, 926, 26, 6, 314159265, 14159265, 4159265, 159265, 59265, 9265, 265, 65, 3141592653

Offset

1,1

Comments

Skip any "numbers" that begin with 0, except 0 itself.

Presumably this is a permutation of the nonnegative numbers.

All the terms of A011545 appear in order in this sequence. - Rémy Sigrist, Jan 03 2019

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Prog

(PARI) pid=Pi; s=Set(); for (k=1, 10, my (f=floor(pid)); forstep (w=k, 1, -1, v=f % (10^w); if (!setsearch(s, v), print1 (v ", "); s=setunion(s, Se
t(v)))); pid*=10) \\ Rémy Sigrist, Jan 03 2019

Crossrefs

Inspired by A323036.

Cf. A011545, A322776, A154883.

Sequence in context: A059232 A068698 A053300 * A089281 A212729 A218357

Adjacent sequences: A322774 A322775 A322776 * A322778 A322779 A322780

Keyword

nonn,base

Author

N. J. A. Sloane, Jan 03 2019

Extensions

More terms from Rémy Sigrist, Jan 03 2019

Status

approved