A322776 Scan first k digits of Pi after decimal point, for k = 1,2,3,..., record all distinct numbers in the order in which they appear.

1, 14, 4, 141, 41, 1415, 415, 15, 5, 14159, 4159, 159, 59, 9, 141592, 41592, 1592, 592, 92, 2, 1415926, 415926, 15926, 5926, 926, 26, 6, 14159265, 4159265, 159265, 59265, 9265, 265, 65, 141592653, 41592653, 1592653, 592653, 92653, 2653, 653, 53, 3, 1415926535

Offset

1,2

Comments

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

Presumably this is a permutation of the nonnegative numbers.

All the terms of A039916 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-3; s=Set(); for (k=1, 9, pid*=10; my (f=floor(pid)); forstep (w=k, 1, -1, v=f % (10^w); if (!setsearch(s, v), print1 (v ",
"); s=setunion(s, Set(v))))) \\ Rémy Sigrist, Jan 03 2019

Crossrefs

Inspired by A323036.

Cf. A039916, A322777, A154883.

Sequence in context: A018813 A070648 A040188 * A040186 A124600 A340715

Adjacent sequences: A322773 A322774 A322775 * A322777 A322778 A322779

Keyword

nonn,base

Author

N. J. A. Sloane, Jan 03 2019

Extensions

More terms from Rémy Sigrist, Jan 03 2019

Status

approved