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.
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
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.