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A306321

Lexicographically earliest sequence of different terms starting with a(1) = 1 such that the n-th digit of the sequence added to a(n) produces a prime.

1, 10, 2, 3, 4, 7, 6, 5, 8, 9, 14, 12, 13, 16, 11, 18, 20, 22, 17, 28, 30, 36, 15, 21, 19, 27, 29, 40, 24, 35, 23, 26, 31, 34, 25, 42, 32, 39, 46, 52, 38, 41, 54, 45, 44, 33, 37, 51, 43, 50, 48, 57, 56, 59, 47, 58, 60, 64, 49, 65, 62, 55, 69, 68, 71, 70, 74, 63, 53, 66, 77, 76, 75, 67, 72, 78, 79, 85, 84, 93, 97, 80, 86, 94, 82, 92, 88, 99, 98, 96, 61, 103, 81, 102, 90, 104, 73, 108, 100, 105, 106, 122

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OFFSET

1,2

LINKS

Jean-Marc Falcoz, Table of n, a(n) for n = 1..20002

EXAMPLE

The sequence starts with 1,10,2,3,4,7,6,5,8,9,14,12,13,16,11,18,20,22,...

The 1st digit (1) added to a(1) = 1 produces the prime 2;

the 2nd digit (1) added to a(2) = 10 produces the prime 11;

the 3rd digit (0) added to a(3) = 2 produces the prime 2;

the 4th digit (2) added to a(4) = 3 produces the prime 5;

the 5th digit (3) added to a(5) = 4 produces the prime 7;