A217329 Esumprimes: prime(k), where k is the sum of the first n digits of E.

3, 23, 29, 61, 71, 107, 109, 157, 167, 211, 233, 263, 313, 313, 347, 373, 383, 401, 433, 449, 487, 487, 499, 563, 601, 619, 661, 673, 691, 733, 743, 787, 827, 839, 863, 937, 983, 1031, 1061, 1103, 1117, 1153, 1213, 1213, 1279, 1291, 1321, 1427, 1481, 1543

Offset

1,1

Comments

The digits of E are added d_1+d_2. . d_i and the prime whose index is the i-th sum is chosen. E.g., for E = 2.718281828 . . . the first Esumprime is prime(2), the second is prime(9), the third is prime(10), etc.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Example

See Comments.

Mathematica

Prime[#]&/@Accumulate[RealDigits[E, 10, 60][[1]]]

Crossrefs

Cf. A076787, A076789.

Sequence in context: A136090 A032688 A142345 * A133023 A098946 A191086

Adjacent sequences: A217326 A217327 A217328 * A217330 A217331 A217332

Keyword

easy,nonn,base

Author

Harvey P. Dale, Sep 30 2012

Status

approved