cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A097373 Numbers n such that there are no primes 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 zeros are located in A098598.

Original entry on oeis.org

40, 44, 46, 48, 60, 64, 66, 68, 69, 80, 84, 86, 88, 90, 96, 99, 194, 400, 404, 406, 408, 440, 444, 446, 448, 460, 464, 466, 468, 480, 484, 486, 488, 600, 604, 606, 608, 609, 640, 644, 646, 648, 660, 664, 666, 668, 669, 680, 684, 686, 688, 690, 696, 699, 800
Offset: 1

Views

Author

Jason Earls, Sep 18 2004

Keywords

Examples

			194 is in the sequence because 1, 9, 4, 14, 27, 45, 86, 158, 289, 533, 980, 1802, 3315, 6097, 11214, 20626 contains no primes.
		

Crossrefs

Cf. A098598.