A224871 - OEIS

A224871

First occurrence of n consecutive n's in the decimal expansion of sqrt(2).

2, 114, 1481, 3308, 72459, 226697, 969836, 119555442, 2971094743

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OFFSET

1,1

COMMENTS

Earls sequence for sqrt(2).

LINKS

Eric Weisstein's World of Mathematics, Pythagoras's Constant Digits

Eric Weisstein's World of Mathematics, Earls Sequence

EXAMPLE

sqrt(2) = 1.4142...0912297..., so

a(1) = 2 (one 1 first appears at digit 2 after the decimal) and

a(2) = 114 (two 2s first occur starting at digit 114).

CROSSREFS

Cf. A000129 (decimal expansion of sqrt(2)).

KEYWORD

nonn,base,hard

AUTHOR

STATUS

approved