A212313 Start of a run of n consecutive even numbers divisible respectively by first n primes.

0, 4, 16, 106, 1576, 1576, 421996, 932506, 68830336, 1407387556, 189028491226, 2996875353046, 277564186341016, 10013572619211736, 507158503222672876, 25102749806762329276, 285816017624282687116, 36818262670554322829446, 5783948949281495901009676

Offset

1,2

Comments

Terms > 4 end with 6.

Links

Table of n, a(n) for n=1..19.

Example

106 = 2*53, 108 = 3*36, 110 = 5*22, 112 = 7*16.

Mathematica

Table[ChineseRemainder[Table[2 k - 2, {k, n}], Table[Prime[k], {k, n}]], {n, 20}]

Crossrefs

Cf. A005843, A069561.

Sequence in context: A318695 A131043 A071554 * A332752 A356130 A210573

Adjacent sequences: A212310 A212311 A212312 * A212314 A212315 A212316

Keyword

nonn

Author

Zak Seidov, Oct 24 2013

Status

approved