A132903 Numbers formed by concatenating 3 consecutive prime numbers.

235, 357, 5711, 71113, 111317, 131719, 171923, 192329, 232931, 293137, 313741, 374143, 414347, 434753, 475359, 535961, 596167, 616771, 677173, 717379, 737983, 798389, 838997, 8997101, 97101103, 101103107, 103107109, 107109113, 109113127

Offset

1,1

Links

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

C. K. Caldwell, The Prime Pages.

Omar E. Pol, Determinacion geometrica de los numeros primos y perfectos.

Example

Prime numbers.
2
3
5 -----------> a(1) = 235
7 -----------> a(2) = 357
11 ----------> a(3) = 5711

Mathematica

FromDigits[Flatten[IntegerDigits[#]]]&/@Partition[Prime[Range[40]], 3, 1] (* Harvey P. Dale, Jan 03 2021 *)

Crossrefs

Prime numbers: A000040. Cf. A007795, A045533, A091762.

Sequence in context: A077803 A049857 A218038 * A385536 A247474 A147148

Adjacent sequences: A132900 A132901 A132902 * A132904 A132905 A132906

Keyword

easy,nonn,base

Author

Omar E. Pol, Sep 04 2007

Status

approved