A105528 First differences of A105527.

1, 2, 3, 2, 3, 2, 3, 3, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 4, 3, 3, 3, 3, 3, 4, 3, 3, 3, 3, 4, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 3, 4, 3, 3, 3, 3, 4, 3, 3, 3, 4, 3, 3, 3, 3, 4, 3, 3

Offset

0,2

Comments

Note that if n>9, a(n) is seemingly either 3 or 4. Checked up to index 200.

Links

Table of n, a(n) for n=0..96.

Prog

(PARI) {n_bonacci(n, v)= local(x, l); l=matsize(v)[2]; x=0; for(i=l-n+1, l, x+=v[i]); return(x)} {nbg(k)= local(q=[], l, v, m); for(n=3, k, v=[]; for(i=1, n, v=concat(v, 1)); m=n; while((x=n_bonacci(n, v))<=fibonacci(m), v=concat(v, x); m+=1); q=concat(q, m)); return(q) } z=nbg(100); d=[]; for(i=2, 98, d=concat(d, z[i]-z[i-1]))

Crossrefs

Cf. A105527, A000045, A000213, A000288, A000322, A000383.

Sequence in context: A251101 A065067 A086411 * A076225 A215776 A339085

Adjacent sequences: A105525 A105526 A105527 * A105529 A105530 A105531

Keyword

easy,nonn

Author

Ferenc Adorjan (fadorjan(AT)freemail.hu), Apr 11 2005

Status

approved