A097376 Numbers n such that there is exactly one prime in a sequence formed from the t digits of n where the latter terms are given by rule b(i)=sum of t previous terms and the primes are counted from initial t digits up to the largest term < n^2; where ones are located in A098598.

24, 26, 28, 36, 39, 42, 62, 63, 82, 93, 116, 148, 149, 168, 189, 204, 206, 208, 240, 244, 246, 248, 260, 264, 266, 268, 280, 284, 286, 288, 306, 309, 360, 366, 369, 384, 390, 396, 399, 402, 411, 414, 419, 420, 424, 426, 428, 441, 442, 462, 465, 482, 491, 498

Offset

1,1

Links

Table of n, a(n) for n=1..54.

Example

148 is in the sequence because
1,4,8,13,25,46,84,155,285,524,964,1773,3261,5998,11032,20291 contains one prime.

Crossrefs

Cf. A098598.

Sequence in context: A002924 A241042 A346290 * A346133 A079720 A053680

Adjacent sequences: A097373 A097374 A097375 * A097377 A097378 A097379

Keyword

base,nonn

Author

Jason Earls, Sep 18 2004

Status

approved