A067491 Powers of 5 with initial digit 1.

1, 125, 15625, 1953125, 1220703125, 152587890625, 19073486328125, 11920928955078125, 1490116119384765625, 186264514923095703125, 116415321826934814453125, 14551915228366851806640625, 1818989403545856475830078125, 1136868377216160297393798828125

Offset

1,2

Links

Muniru A Asiru, Table of n, a(n) for n = 1..300

Maple

select(x-> "1"=""||x[1], [5^n$n=0..50])[];  # Alois P. Heinz, Oct 21 2018

Prog

(GAP) Filtered(List([0..40], n->5^n), i->ListOfDigits(i)[1]=1); # Muniru A Asiru, Oct 21 2018

Crossrefs

Cf. A067480, A067481, A067482, A067483, A067484, A067485, A067486, A067487, A067488, A067489, A067490.

Sequence in context: A264062 A067972 A094197 * A036532 A086704 A163596

Adjacent sequences: A067488 A067489 A067490 * A067492 A067493 A067494

Keyword

base,easy,nonn

Author

Amarnath Murthy, Feb 09 2002

Extensions

Offset 1 from Michel Marcus, Oct 19 2018

Status

approved