A138102 The number 2*k^2 repeated 2*k^2 times, k=1 to 4.

2, 2, 8, 8, 8, 8, 8, 8, 8, 8, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32

Offset: 1

Author

Paul Curtz, May 03 2008

Keywords

• nonn
• less
• fini
• full

Comments

Vaguely related to the number of elements in the Janet table A138102.

Essentially the same as A137575.

a(n)= (A138101=3,4,13,14,15,16,17,) - (A138100=1,2,5,6,7,8,9,) . [From Paul Curtz, Oct 11 2009]

Links

• Albert Tarantola, PSE of Elements (Janet form).
• Anonymous, Janet periodic table, Web Elements Chemistry Nexus

Crossrefs

Cf. A138101, A137325, A137583, A166071, A001105.

Extensions

Edited by R. J. Mathar, Oct 07 2009