A033912 Numbers k such that s(k) + s(k+1) + ... + s(k+4) = t(k) + t(k+1) + ... + t(k+4).

1174, 1354, 10702, 283342, 592798, 4032034, 43288476382, 51258383014, 58507119982, 79808902558

Offset

1,1

Comments

No other terms < 4293000000. - Jud McCranie, Jul 13 2000

a(11) > 10^11. - Donovan Johnson, Aug 15 2011

Links

Table of n, a(n) for n=1..10.

Formula

Here s(k) = sigma(k) - k, t(k) = |s(k) - k|.

Crossrefs

Cf. A001065, A033880, A033910, A033911.

Sequence in context: A232082 A187725 A269958 * A204763 A204756 A027485

Adjacent sequences: A033909 A033910 A033911 * A033913 A033914 A033915

Keyword

nonn,more

Author

Naohiro Nomoto

Extensions

Offset corrected and a(4)-a(10) from Donovan Johnson, Aug 15 2011

Status

approved