A224719 Records in A224796.

1, 15, 36, 50, 57, 71, 99, 325, 346, 558, 1688, 2366, 3270, 4626, 5982, 7112, 7338, 7790, 8016, 9372, 10050, 10502, 10728, 11858, 12084, 12536, 12762, 13214, 13440, 15248, 15926, 16604, 17282, 18864, 21350, 21576, 22028, 22706, 22932, 24288, 24740, 27452, 28356, 30842, 31520, 31746, 32424, 33102, 132747

Offset

1,2

Links

Charles R Greathouse IV, Table of n, a(n) for n = 1..60

Chris Caldwell and G. L. Honaker, Jr., Prime curio for 15

Example

a(4)=50 because Pi*50=157.07963... is closer to a prime than any previous value of n.

Prog

(PARI) r=1; forprime(p=2, 1e6, n=round(p/Pi); t=abs(p-Pi*n); if(t<r, r=t; print1(n", "))) \\ Charles R Greathouse IV, Apr 18 2013

Crossrefs

Cf. A000040, A000796

Sequence in context: A365905 A134509 A062712 * A033709 A067707 A166146

Adjacent sequences: A224716 A224717 A224718 * A224720 A224721 A224722

Keyword

nonn

Author

G. L. Honaker, Jr., Apr 18 2013

Extensions

Additional terms from Mike Keith (mikek314(at)gmail.com)

Status

approved