A179216 Permutation of triangular array of numbers (greater than 1) arranged by prime signature.

2, 4, 3, 6, 9, 5, 8, 10, 25, 7, 12, 27, 14, 49, 11, 16, 18, 125, 15, 121, 13, 24, 81, 20, 343, 21, 169, 17, 30, 40, 625, 28, 1331, 22, 289, 19, 32, 42, 54, 2401, 44, 2197, 26, 361, 23, 36, 243, 66, 56, 14641, 45, 4913, 33, 529, 29, 48, 100, 3125, 70, 88, 28561, 50, 6859

Offset

0,1

Comments

The left diagonal is the sequence of primes (A000040). The right diagonal is sequence A025487 (least prime signatures).

Links

Table of n, a(n) for n=0..62.

Will Nicholes, Iterative mapping of prime signatures.

Formula

a(n) = A061579(A095904(n))

Crossrefs

Cf. A095904, A179217, A179218, A179221, A179222, A179225, A179226, A179228.

Sequence in context: A094608 A256661 A370923 * A192176 A365230 A191711

Adjacent sequences: A179213 A179214 A179215 * A179217 A179218 A179219

Keyword

nonn,tabl

Author

Will Nicholes, Jul 10 2010

Status

approved