A322681 Five-column table read by rows: Quintuples that have the same value of phi, sigma, and tau.

15132960, 15870624, 15966240, 15975036, 16854684, 15175160, 15572856, 16579134, 16629354, 17492046, 17671392, 18346968, 18644448, 20598318, 20608038, 26382240, 27668256, 27843360, 27850284, 28026540, 28020384, 29474016, 29563296, 29667924, 31301556, 30743000, 31130008, 31356440, 34531750, 35220790

Offset

1,1

Comments

The terms are consecutive quintuples, ordered so that (A) a(5i-4) < a(5i-3) < ... < a(5i) for i > 0, and (B) a(5i+1) < a(5i+6) for i >= 0. Primitive terms are in A322691.

Links

Table of n, a(n) for n=1..30.

Example

15132960, 15870624, 15966240, 15975036,and 16854684 have the same value of phi (3870720), sigma (55157760), and tau (192), so these five numbers are in the sequence.

Crossrefs

Cf. A134922, A322689, A322678, A322679, A322680, A322682, A322683, A322684, A322685, A322686, A322687.

Sequence in context: A221559 A104334 A322691 * A269118 A234480 A186616

Adjacent sequences: A322678 A322679 A322680 * A322682 A322683 A322684

Keyword

nonn,tabf

Author

Jud McCranie, Jan 16 2019

Status

approved